Removed comments from JSON document

Author: Enmk

docker/images.json

@@ -136,11 +136,6 @@
             "docker/test/unit"
          ]
     },
-    // "docker/test/integration/kerberized_hadoop": {
-    //     "only_amd64": true,
-    //     "name": "altinityinfra/kerberized-hadoop",
-    //     "dependent": []
-    // },
     "docker/test/sqlancer": {
         "name": "altinityinfra/sqlancer-test",
         "dependent": []