AMBARI-12180. Enabling Kerberos on cluster with AMS and no HDFS fails (rlevas)

ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/kerberos.json

@@ -5,9 +5,6 @@
       "identities": [
         {
           "name": "/spnego"
-        },
-        {
-          "name": "/HDFS/hdfs"
         }
       ],
       "components": [