How to Hide Kodenzo Commerce Health Admin Menus

function plt_hide_kodenzo_commerce_health_menus() {
	//Hide "Commerce Health".
	remove_menu_page('kodenzo-ch');
	//Hide "Commerce Health → Overview".
	remove_submenu_page('kodenzo-ch', 'kodenzo-ch');
	//Hide "Commerce Health → Diagnostics".
	remove_submenu_page('kodenzo-ch', 'kodenzo-ch-diagnostics');
	//Hide "Commerce Health → Issues".
	remove_submenu_page('kodenzo-ch', 'kodenzo-ch-issues');
	//Hide "Commerce Health → Scan history".
	remove_submenu_page('kodenzo-ch', 'kodenzo-ch-history');
	//Hide "Commerce Health → What's coming".
	remove_submenu_page('kodenzo-ch', 'kodenzo-ch-roadmap');
	//Hide "Commerce Health → Settings".
	remove_submenu_page('kodenzo-ch', 'kodenzo-ch-settings');
}

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

Where do I put this code?