Ensure that the Certificate and Key are removed from the route

In the past we had set certificates on routes, since ManageIQ#1161 we want to use
the cluster default certificates.  So, if the route existed before that
was merged, we need to remove the certificate and key fields.

CP4AIOPS-6311

manageiq-operator/api/v1alpha1/helpers/miq-components/httpd.go

@@ -73,6 +73,8 @@ func Route(cr *miqv1alpha1.ManageIQ, scheme *runtime.Scheme, client client.Clien
 		}
 
 		route.Spec.Host = cr.Spec.ApplicationDomain
+		route.Spec.TLS.Certificate = ""
+		route.Spec.TLS.Key = ""
 
 		if internalCerts := InternalCertificatesSecret(cr, client); internalCerts.Data["httpd_crt"] != nil {
 			route.Spec.TLS.DestinationCACertificate = string(internalCerts.Data["root_crt"])