How to Hide the "WPPM Google Analytics Settings" Admin Menu

function plt_hide_wppm_google_analytics_menus() {
	//Hide the "WPPM Google Analytics Settings" menu.
	remove_menu_page('wppm-google-analytics-settings');
}

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

Where do I put this code?