Help with PHP code please

I am a complete novice and would like to remove an image from my website. my website address is swallowdale
The image is of the overlay of the people on the second pic on the page under the Cottage Facilities heading. The image is called old_family.png
Below is the php code.
Any advice on what I need to alter to do this would be great.

<?php /* Template name: Home page */ get_header();?>
<main>

<?php 

$postid = get_the_id();


// $aboutus_title = get_post_meta($postid,"_cmb_aboutus_title",true);
// $about_para = get_post_meta($postid,"_cmb_about_para",true);
$about_read_more = get_post_meta($postid,"_cmb_read_more_url",true);
$about_img = get_post_meta($postid,"_cmb_aboutus_img",true);	


$to_do_heading = get_post_meta($postid,"to_do_heading",true);
$ser_sm_para = get_post_meta($postid,"service_small_para",true);

$work_part_one_heading = get_post_meta($postid,"work_part_one_heading",true);
$work_part_two_heading = get_post_meta($postid,"work_part_two_heading",true);

$brundall_heading = get_post_meta($postid,"brundall_heading",true);

$home_gallery_heading  = get_post_meta($postid,"home_gallery_heading",true);
$gallery_book_now_link = get_post_meta($postid,"gallery_book_now_link",true);
$home_gallery_view_more  = get_post_meta($postid,"home_gallery_view_more",true);
$home_gallery_short_code = get_post_meta($postid,"home_gallery_short_code",true);

$home_more_reviews_link = get_post_meta($postid,"home_more_reviews_link",true);

$cottage_view_more_link  = get_post_meta($postid,"cottage_view_more_link",true);
$cottage_book_now_link_here  = get_post_meta($postid,"cottage_book_now_link_here",true);

?>

	    <div class="about_cover">
	      <div class="container">
            <div class="about_box_text">
              <!-- <div class="sec_heading">
              	<h2><?php // echo $aboutus_title; ?></h2>
              </div>	 -->

              <!-- <p><?php // echo $about_para; ?></p> -->
              <div class="row">
              <?php
			      while ( have_posts() ) : the_post();

			        get_template_part( 'template-parts/page/content', 'page' );

			        // If comments are open or we have at least one comment, load up the comment template.
			        if ( comments_open() || get_comments_number() ) :
			          comments_template();
			        endif;

			      endwhile; // End of the loop.
			   ?>
			   </div>

              <a class="custom_button" href="<?php echo $about_read_more ?>">Book Now <i class="fa fa-angle-double-right"></i></a>
            </div>

	        <!-- <div class="col-sm-5 pull-left">
	          <div class="about_img">
	            <img class="img-responsive" src="<?php //echo $about_img; ?>" alt="">
	          </div>
 			</div> -->
	      </div>
	    </div>
	    <div class="works_cover">
    	 <img class="old_couple img-responsive" src="<?php echo bloginfo("template_url") ?>/assets/images/old_family.png" alt="old_family.">
    	 

	      <div class="container">
	        <div class="sec_heading"><h2><?php echo CFS()->get( 'title' ); ?></h2></div>	   
	        	<div class="row">
		          <div class="works_right_side col-sm-6">
		          	 <div class="fac_list_box">	
		          		<ul class="works_box_cover">
		          		  <li><h4> <?php echo $work_part_one_heading; ?> </h4></li>
		          		   <?php 
				        		$loop = CFS()->get('work_part_one');
								foreach ( $loop as $row ) {	
				        	?>
					          <li>
				                <i class="fa fa-circle-o"></i><?php echo $row['paragraph_box']; ?> 
				              </li>
				         <?php } ?>
		          		</ul>
		          		<div class="some_btn_box">
		          			<a class="custom_button bkl" href="<?php echo $cottage_view_more_link ?>"> View More <i class="fa fa-angle-double-right"></i></a>
		          			<a class="custom_button" href="<?php echo $cottage_book_now_link_here ?>"> Book Now <i class="fa fa-angle-double-right"></i></a>
		          		</div>
					  </div>			          	
		          	</div>
		        </div>
	      </div>
	    </div>
	    <div class="servive_cover">
	      <div class="container-fluid">
	        <div class="sec_heading"><h2><?php echo $to_do_heading ?></h2></div>
	        
	        <?php if($ser_sm_para!=""){ ?>
	        <p class="simple_para"><?php echo $ser_sm_para ?></p>
	        <?php } ?>
	        <div class="row">
	        	<?php 
	        		$num = 0;
	        		$loop = CFS()->get('services');
					foreach ( $loop as $row ) {	
					$num ++;
	        	?>
	        			        	
	          <div class="col-sm-4">
	       	      <div class="inner_ser_box">		
		            <img class="img-responsive" src="<?php echo  $row['service_image']; ?>" alt="<?php echo $num;?>">
		            <h3><a href="<?php echo $row['link']; ?>"><?php echo $row['service_heading']; ?></a></h3>	
		       	  </div>	
	          </div>
	          <?php } ?>

	        </div>  
	      </div>
	    </div>
	    <div class="holiday_home_cover">
	    	<div class="container">
		      <div class="sec_heading"><h2><?php echo $brundall_heading ?></h2></div>
				<div class="row">
		      <?php 

		      $some = CFS() -> get('brundall_loop_box');

		      foreach ( $some as $row ) {

		      	?>

		      		<div class="col-sm-6">
		      			<div class="brundall_box_text">
			      			<?php if ( $row['brundall_para_heading'] !="" ): ?>
				      			<h3><?php echo $row['brundall_para_heading'] ?></h3>
			      			<?php endif ?>

			      			<?php if ($row['brundall_para'] !="" ): ?>
				      			<p><?php echo $row['brundall_para']  ?></p>
			      			<?php endif ?>

			      			<?php if ($row['brundall_link'] != ""): ?>
				      			<a class="custom_button" href="<?php echo $row['brundall_link'] ?>">Book Now <i class="fa fa-angle-double-right"></i></a>
			      			<?php endif ?>
			      		</div>
		      		</div>
	      		
		      	<?php
		      }

		      ?>
		      </div>
	    	</div>
	    </div>


	    <div class="home_gallery_cover">
	    	<div class="container">
	    		<div class="sec_heading"><h2><?php echo $home_gallery_heading ?></h2></div>
	    		<div class="home_gallery_inner">

	    			<?php echo do_shortcode($home_gallery_short_code); ?>

	    			<a class="custom_button bkl" href="<?php echo $home_gallery_view_more ?>">View More <i class="fa fa-angle-double-down"></i></a>
	    		</div>
	    		<div class="home_gallery_box">
	    			<h3><?php echo CFS()->get( 'book-swallowdale-holiday' ); ?></h3>
	    			<p><?php echo CFS()->get( 'book-swallowdale-holiday-sub_title' ); ?></p>
	    			<a class="custom_button" href="<?php echo CFS()->get( 'book-swallowdale-holiday-button_link' ); ?>">Book Now <i class="fa fa-angle-double-right"></i></a>
	    		</div>
	    	</div>
	    </div>
	    <div class="home_testimonial_cover">
	    	<div class="container">
			  <div class="row">	
				<div class="col-sm-8">
					<div id="testimonial_cover" class="owl-carousel owl-theme">
						<?php 
							$args = array(
								'post_type' => 'testimonials',
								'post_status' => 'publish'
							);
							$testimonials = new WP_Query($args);


							if( $testimonials->have_posts() ){

								while ( $testimonials->have_posts() ) {
									$testimonials -> the_post();
									 ?>
									<div class="item">
							          	<div class="test_box">
											<p><?php echo get_the_content(); ?></p>
							          		<span><?php echo get_the_title(); ?> </span>
										</div>	
									</div>

								 <?php
								}
							}else{

								?>
								  <h3>No Testimonials ...!</h3>
								<?php

							}
						?>
						</div>
				</div>
				<div class="col-sm-4">
					<a class="custom_button" href="<?php echo $home_more_reviews_link ?>">More Reviews <i class="fa fa-angle-double-right"></i></a>						
				</div>
			  </div>	
	    	</div>	
	    </div>
	  </main>
<?php get_footer(); ?>

Thanks.

If you log into the admin section, you will likely find the image you want to remove there. There is no point in looking at the PHP code for a wordpress site for your issue.

Thankyou for your reply.

Yes I could delete the image but when the page loads surely it will still look for the image to load it and not be able to find it. Don’t I need to delete the reference to it in the php file?

That image is there because it is in a plugin. You need to removed it from the plugin.

Thank you.
I deleted the image and it’s gone. But now on a computer screen there is a large white space so I now need to work out how to move the image of the property nearer the middle of the screen.

I have put the image of the people back on temporarily.

Thanks.

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