How to Hide Creator LMS Admin Menus

function plt_hide_creatorlms_menus() {
	//Hide "Creator LMS".
	remove_menu_page('creator-lms');
	//Hide "Creator LMS → Dashboard".
	remove_submenu_page('creator-lms', 'admin.php?page=creator-lms#/dashboard');
	//Hide "Creator LMS → Courses".
	remove_submenu_page('creator-lms', 'admin.php?page=creator-lms#/courses');
	//Hide "Creator LMS → Categories".
	remove_submenu_page('creator-lms', 'admin.php?page=creator-lms#/categories');
	//Hide "Creator LMS → Tags".
	remove_submenu_page('creator-lms', 'admin.php?page=creator-lms#/tags');
	//Hide "Creator LMS → Quizzes".
	remove_submenu_page('creator-lms', 'admin.php?page=creator-lms#/quizzes');
	//Hide "Creator LMS → Certificates".
	remove_submenu_page('creator-lms', 'admin.php?page=creator-lms#/certificates');
	//Hide "Creator LMS → Membership".
	remove_submenu_page('creator-lms', 'admin.php?page=creator-lms#/memberships');
	//Hide "Creator LMS → Coupon".
	remove_submenu_page('creator-lms', 'admin.php?page=creator-lms#/coupons');
	//Hide "Creator LMS → Orders".
	remove_submenu_page('creator-lms', 'admin.php?page=creator-lms#/orders');
	//Hide "Creator LMS → Subscriptions".
	remove_submenu_page('creator-lms', 'admin.php?page=creator-lms#/subscriptions');
	//Hide "Creator LMS → Students".
	remove_submenu_page('creator-lms', 'admin.php?page=creator-lms#/students');
	//Hide "Creator LMS → Settings".
	remove_submenu_page('creator-lms', 'http://127.0.0.1/wp-admin/admin.php?page=creator-lms#/settings/general-settings');
	//Hide "Creator LMS → Help & Feedback".
	remove_submenu_page('creator-lms', 'https://creatorlms.net/contact-us');
}

add_action('admin_menu', 'plt_hide_creatorlms_menus', 11);
Where do I put this code?