disable php

I want to disable this php execution. It’s showing sidebar menu on blog pages. kindly help
<?php
/**
* The Sidebar containing the main widget areas.
*
* @package GeneratePress
*/

if ( ! defined( ‘ABSPATH’ ) ) {
exit; // Exit if accessed directly.
}
?>
<div id=”left-sidebar” <?php generate_do_element_classes( ‘left_sidebar’ ); ?> <?php generate_do_microdata( ‘sidebar’ ); ?>>
<div class=”inside-left-sidebar”>
<?php
/**
* generate_before_left_sidebar_content hook.
*
* @since 0.1
*/
do_action( ‘generate_before_left_sidebar_content’ );

if ( ! dynamic_sidebar( ‘sidebar-2’ ) ) {
generate_do_default_sidebar_widgets( ‘left-sidebar’ );
}

/**
* generate_after_left_sidebar_content hook.
*
* @since 0.1
*/
do_action( ‘generate_after_left_sidebar_content’ );
?>
</div><!– .inside-left-sidebar –>
</div><!– #secondary –>