Remove doubled go-metrics-interface in package.json

package.json

@@ -18,12 +18,6 @@
       "hash": "QmRWDav6mzWseLWeYfVd5fvUKiVe9xNH29YfMF438fG364",
       "name": "go-datastore",
       "version": "1.2.0"
-    },
-    {
-      "author": "ipfs",
-      "hash": "QmRg1gKTHzc3CZXSKzem8aR4E3TubFhbgXwfVuWnSK5CC5",
-      "name": "go-metrics-interface",
-      "version": "0.1.2"
     }
   ],
   "gxVersion": "0.8.0",
@@ -31,6 +25,6 @@
   "license": "",
   "name": "go-ds-measure",
   "releaseCmd": "git commit -a -m \"gx publish $VERSION\"",
-  "version": "1.1.0"
+  "version": "1.1.1"
 }