How to Hide Contact Forms, Live Support, CRM Admin Menus

function plt_hide_live_support_tickets_menus() {
	//Hide "Support CRM".
	remove_menu_page('vw-support');
	//Hide "Support CRM → Settings".
	remove_submenu_page('vw-support', 'vw-support');
	//Hide "Support CRM → Conversations".
	remove_submenu_page('vw-support', 'vw-support-conversations');
	//Hide "Support CRM → Contacts".
	remove_submenu_page('vw-support', 'vw-support-contacts');
	//Hide "Support CRM → Cans".
	remove_submenu_page('vw-support', 'vw-support-cans');
	//Hide "Support CRM → New Conversation".
	remove_submenu_page('vw-support', 'vw-support-conversation-new');
	//Hide "Support CRM → Invite".
	remove_submenu_page('vw-support', 'vw-support-invite');
	//Hide "Support CRM → Form Invite".
	remove_submenu_page('vw-support', 'vw-support-form-invite');
	//Hide "Support CRM → Properties".
	remove_submenu_page('vw-support', 'vw-support-properties');
	//Hide "Support CRM → Accounts".
	remove_submenu_page('vw-support', 'vw-support-accounts');
	//Hide "Support CRM → Plans".
	remove_submenu_page('vw-support', 'vw-support-plans');
	//Hide "Support CRM → Documentation".
	remove_submenu_page('vw-support', 'vw-support-documentation');
}

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

Where do I put this code?