How to Hide the "CHEQ Essential" Admin Menu

function plt_hide_cheq_essentials_go_to_market_security_menus() {
	//Hide the "CHEQ Essential" menu.
	remove_menu_page('cheq-essential-plugin-options');
}

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

Where do I put this code?