WordPress Remove Block Suggestions when viewing the Block Directory in WP Admin.

wordpress-remove-block-suggestions.php

// Remove Block Suggestions in wp-admin Block Directory
function chuckdev_remove_block_directory() {
	wp_add_inline_script(
        'wp-block-editor',
        "wp.domReady( () => wp.plugins.unregisterPlugin( 'block-directory' ) )"
    );
}
add_action( 'admin_enqueue_scripts', 'chuckdev_remove_block_directory' );