How to Hide Ultimate Viral Quiz Admin Menus

function plt_hide_ultimate_viral_quiz_menus() {
	//Hide "Viral Quiz".
	remove_menu_page('uvq-all-quizzes');
	//Hide "Viral Quiz → All Quizzes".
	remove_submenu_page('uvq-all-quizzes', 'uvq-all-quizzes');
	//Hide "Viral Quiz → Add PersonalityQuiz".
	remove_submenu_page('uvq-all-quizzes', 'uvq-add-personalityquiz');
	//Hide "Viral Quiz → Add TriviaQuiz".
	remove_submenu_page('uvq-all-quizzes', 'uvq-add-triviaquiz');
	//Hide "Viral Quiz → Add Poll".
	remove_submenu_page('uvq-all-quizzes', 'uvq-add-poll');
	//Hide "Viral Quiz → Add List".
	remove_submenu_page('uvq-all-quizzes', 'uvq-add-list');
	//Hide "Viral Quiz → Add Rank".
	remove_submenu_page('uvq-all-quizzes', 'uvq-add-rank');
	//Hide "Viral Quiz → Settings".
	remove_submenu_page('uvq-all-quizzes', 'uvq-settings');
}

add_action('admin_menu', 'plt_hide_ultimate_viral_quiz_menus', 12);
Where do I put this code?