How to Hide SP Project & Document Manager Admin Menus

function plt_hide_sp_client_document_manager_menus() {
	//Hide "Folders".
	remove_menu_page('sp-client-document-manager-projects');
	//Hide "Recycle Bin".
	remove_menu_page('sp-client-document-manager-recycle');

	//Hide "Documents".
	remove_menu_page('sp-client-document-manager');
	//Hide "Documents → Documents".
	remove_submenu_page('sp-client-document-manager', 'sp-client-document-manager');
	//Hide "Documents → Folders".
	remove_submenu_page('sp-client-document-manager', 'sp-client-document-manager-projects');
	//Hide "Documents → Vendors".
	remove_submenu_page('sp-client-document-manager', 'sp-client-document-manager-vendors');
	//Hide "Documents → Help".
	remove_submenu_page('sp-client-document-manager', 'sp-client-document-manager-help');
	//Hide "Documents → Settings".
	remove_submenu_page('sp-client-document-manager', 'sp-client-document-manager-settings');
	//Hide "Documents → User Files".
	remove_submenu_page('sp-client-document-manager', 'sp-client-document-manager-fileview');
	//Hide "Documents → User Logs".
	remove_submenu_page('sp-client-document-manager', 'sp-client-document-manager-user-logs');
	//Hide "Documents → Local Import".
	remove_submenu_page('sp-client-document-manager', 'sp-client-document-manager-local-import');
}

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

Where do I put this code?