How to Hide FooConvert - Boost Conversions & Lead Generation Admin Menus

function plt_hide_fooconvert_menus() {
	//Hide "FooConvert".
	remove_menu_page('fooconvert');
	//Hide "FooConvert → Dashboard".
	remove_submenu_page('fooconvert', 'fooconvert');
	//Hide "FooConvert → Bars".
	remove_submenu_page('fooconvert', 'edit.php?post_type=fc-bar');
	//Hide "FooConvert → Flyouts".
	remove_submenu_page('fooconvert', 'edit.php?post_type=fc-flyout');
	//Hide "FooConvert → Popups".
	remove_submenu_page('fooconvert', 'edit.php?post_type=fc-popup');
	//Hide "FooConvert → Widget Stats".
	remove_submenu_page('fooconvert', 'fooconvert-widget-stats');
	//Hide "FooConvert → Settings".
	remove_submenu_page('fooconvert', 'fooconvert-settings');
	//Hide "FooConvert → Contact Us".
	remove_submenu_page('fooconvert', 'fooconvert-contact');
	//Hide "FooConvert → Add-Ons".
	remove_submenu_page('fooconvert', 'fooconvert-addons');
	//Hide "FooConvert → Upgrade".
	remove_submenu_page('fooconvert', 'fooconvert-pricing');
}

add_action('admin_menu', 'plt_hide_fooconvert_menus', 1000000000);
Where do I put this code?