Remove or disable Appearance > Patterns

This works for me:

// Remove WP Block
add_action('admin_init', 'remove_wp_block_menu', 100);
function remove_wp_block_menu() {
    remove_submenu_page( 'themes.php', 'edit.php?post_type=wp_block' );
}

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)