AMBARI-10955. Remove <latest> element from gluster 2.1 and 2.2 stack defs (dlysnichenko)

ambari-server/src/main/resources/stacks/HDP/2.1.GlusterFS/repos/repoinfo.xml

@@ -16,8 +16,7 @@
    limitations under the License.
 -->
 <reposinfo>
-  <!--<latest>http://public-repo-1.hortonworks.com/HDP/hdp_urlinfo.json</latest>-->
-  <latest>http://s3.amazonaws.com/dev.hortonworks.com/HDP/hdp_urlinfo.json</latest>
+  <latest>http://public-repo-1.hortonworks.com/HDP/hdp_urlinfo.json</latest>
   <os family="redhat6">
     <repo>
       <!--<baseurl>http://public-repo-1.hortonworks.com/HDP/centos6/2.x/updates/2.1.2.0</baseurl>-->

ambari-server/src/main/resources/stacks/HDP/2.2.GlusterFS/repos/repoinfo.xml

@@ -16,7 +16,7 @@
    limitations under the License.
 -->
 <reposinfo>
-  <latest>http://s3.amazonaws.com/dev.hortonworks.com/HDP/hdp_urlinfo.json</latest>
+  <latest>http://public-repo-1.hortonworks.com/HDP/hdp_urlinfo.json</latest>
   <os family="redhat6">
     <repo>
       <baseurl>http://s3.amazonaws.com/dev.hortonworks.com/HDP/centos6/2.x/updates/2.2.0.0</baseurl>