avoid the gxed prometheus

There's really no reason to do this.

binding.go

@@ -3,9 +3,9 @@ package metricsprometheus
 import (
 	"strings"
 
-	pro "github.com/gxed/client_golang/prometheus"
 	logging "github.com/ipfs/go-log"
 	metrics "github.com/ipfs/go-metrics-interface"
+	pro "github.com/prometheus/client_golang/prometheus"
 )
 
 var log logging.EventLogger = logging.Logger("metrics-prometheus")

package.json

@@ -10,9 +10,9 @@
   "gxDependencies": [
     {
       "author": "whyrusleeping",
-      "hash": "QmYYv3QFnfQbiwmi1tpkgKF8o4xFnZoBrvpupTiGJwL9nH",
+      "hash": "QmTQuFQWHAWy4wMH6ZyPfGiawA5u9T8rs79FENoV8yXaoS",
       "name": "client_golang",
-      "version": "0.1.3"
+      "version": "0.1.4"
     },
     {
       "author": "ipfs",