How to Hide Superb Addons: Blocks, Patterns & Theme Designer Admin Menus

function plt_hide_superb_blocks_menus() {
	//Hide "Superb Addons".
	remove_menu_page('superbaddons');
	//Hide "Superb Addons → Dashboard".
	remove_submenu_page('superbaddons', 'superbaddons');
	//Hide "Superb Addons → Theme Designer".
	remove_submenu_page('superbaddons', 'superbaddons-page-wizard');
	//Hide "Superb Addons → Custom CSS".
	remove_submenu_page('superbaddons', 'superbaddons-additional-css');
	//Hide "Superb Addons → Settings".
	remove_submenu_page('superbaddons', 'superbaddons-settings');
	//Hide "Superb Addons → Get Help".
	remove_submenu_page('superbaddons', 'superbaddons-support');
}

add_action('admin_menu', 'plt_hide_superb_blocks_menus', 11);

Where do I put this code?