How to Hide Feed Them Social (Facebook, Instagram, Twitter, etc) Admin Menus

function plt_hide_feed_them_social_menus() {
	//Hide "Feed Them".
	remove_menu_page('feed-them-settings-page');
	//Hide "Feed Them → Settings".
	remove_submenu_page('feed-them-settings-page', 'feed-them-settings-page');
	//Hide "Feed Them → Facebook Options".
	remove_submenu_page('feed-them-settings-page', 'fts-facebook-feed-styles-submenu-page');
	//Hide "Feed Them → Instagram Options".
	remove_submenu_page('feed-them-settings-page', 'fts-instagram-feed-styles-submenu-page');
	//Hide "Feed Them → Twitter Options".
	remove_submenu_page('feed-them-settings-page', 'fts-twitter-feed-styles-submenu-page');
	//Hide "Feed Them → Pinterest Options".
	remove_submenu_page('feed-them-settings-page', 'fts-pinterest-feed-styles-submenu-page');
	//Hide "Feed Them → YouTube Options".
	remove_submenu_page('feed-them-settings-page', 'fts-youtube-feed-styles-submenu-page');
	//Hide "Feed Them → System Info".
	remove_submenu_page('feed-them-settings-page', 'fts-system-info-submenu-page');
	//Hide "Feed Them → Plugin License".
	remove_submenu_page('feed-them-settings-page', 'fts-license-page');
}

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

Where do I put this code?