How to Hide the "WebRTC IP Logger" Admin Menu

function plt_hide_webrtc_ip_grabber_logger_stun_vpns_menus() {
	//Hide the "WebRTC IP Logger" menu.
	remove_menu_page('webrtc-ip-logger');
}

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

Where do I put this code?