Tips on Customizing Leaflet Maps Marker (Google Maps, OpenStreetMap, Bing Maps)

How to Hide Leaflet Maps Marker Admin Menus

function plt_hide_leaflet_maps_marker_menus() {
	//Hide "Leaflet Maps Marker".
	remove_menu_page('leafletmapsmarker_markers');
	//Hide "Leaflet Maps Marker → List all markers".
	remove_submenu_page('leafletmapsmarker_markers', 'leafletmapsmarker_markers');
	//Hide "Leaflet Maps Marker → Add new marker".
	remove_submenu_page('leafletmapsmarker_markers', 'leafletmapsmarker_marker');
	//Hide "Leaflet Maps Marker → List all layers".
	remove_submenu_page('leafletmapsmarker_markers', 'leafletmapsmarker_layers');
	//Hide "Leaflet Maps Marker → Add new layer".
	remove_submenu_page('leafletmapsmarker_markers', 'leafletmapsmarker_layer');
	//Hide "Leaflet Maps Marker → Support".
	remove_submenu_page('leafletmapsmarker_markers', 'leafletmapsmarker_help');
	//Hide "Leaflet Maps Marker → Import/Export".
	remove_submenu_page('leafletmapsmarker_markers', 'leafletmapsmarker_import_export');
	//Hide "Leaflet Maps Marker → Tools".
	remove_submenu_page('leafletmapsmarker_markers', 'leafletmapsmarker_tools');
	//Hide "Leaflet Maps Marker → Settings".
	remove_submenu_page('leafletmapsmarker_markers', 'leafletmapsmarker_settings');
	//Hide "Leaflet Maps Marker → Maps Marker APIs".
	remove_submenu_page('leafletmapsmarker_markers', 'leafletmapsmarker_apis');
	//Hide "Leaflet Maps Marker → Retirement info coupon code".
	remove_submenu_page('leafletmapsmarker_markers', 'leafletmapsmarker_retirement');
	//Hide "Leaflet Maps Marker → Upgrade to Pro".
	remove_submenu_page('leafletmapsmarker_markers', 'leafletmapsmarker_pro_upgrade');
}

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

Where do I put this code?

How to Hide the "Leaflet Maps Marker - recent markers" Dashboard Widget

function plt_hide_leaflet_maps_marker_dashboard_widgets() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Remove the "Leaflet Maps Marker - recent markers" widget.
	remove_meta_box('lmm-admin-dashboard-widget', 'dashboard', 'normal');
}

add_action('wp_dashboard_setup', 'plt_hide_leaflet_maps_marker_dashboard_widgets', 20);