AETHER-2707 Mark ip-domain.dnn as mandatory; remove deprecated connectivity-service fields

Change-Id: I530c4e58a8ce0526fe0e6cf5d0c4109b62481e00
diff --git a/config-models/aether-4.x/files/yang/onf-connectivity-service.yang b/config-models/aether-4.x/files/yang/onf-connectivity-service.yang
index e5aaaff..dfcd8d0 100755
--- a/config-models/aether-4.x/files/yang/onf-connectivity-service.yang
+++ b/config-models/aether-4.x/files/yang/onf-connectivity-service.yang
@@ -12,7 +12,7 @@
 
   organization "Open Networking Foundation.";
   contact "Scott Baker";
-  description 
+  description
     "An Aether Connectivity service is the linkage between the
      ROC and a core that provides connectivity.";
 
@@ -52,24 +52,6 @@
         description "description of this connectivity service";
       }
 
-      // deprecated
-      leaf spgwc-endpoint {
-        type inet:uri;
-        description "url of the spgwc service";
-      }
-
-      // deprecated
-      leaf hss-endpoint {
-        type inet:uri;
-        description "url of the hss service";
-      }
-
-      // deprecated
-      leaf pcrf-endpoint {
-        type inet:uri;
-        description "url of the pcrf service";
-      }
-
       leaf core-5g-endpoint {
         type inet:uri;
         description "url of the 5g core";