Remove ShortCode from WordPress while keep displaying the content

functions.php

<?php
/**
 * Remove ShortCode Plugin
 *
 * This function will remove the shortcode from getting diplayed while keep displaying the content. 
 * Add this to your function.php
 *
 * @author  MetaBlogue
 * @license GPL-2.0+
 * @link    https://metablogue.com/wordpress-remove-shortcode-plugin/
 */
// Sample Shortcode while keep displaying the content for removing it from display
function mb_shortcode_content( $atts, $content = NULL ) {
   return $content;
}
add_shortcode('test1', 'mb_shortcode_content');