Remove unused property, fix CS again.

lib/core/package.js

@@ -93,7 +93,9 @@ var Package = function (name, endpoint, manager) {
       }
     }
 
-    this.endpoint = endpoint;
+    // Store a reference to the original tag
+    // This is because the tag gets rewriten later and the original tag
+    // must be used by the manager later on
     this.originalTag = this.tag;
 
     // Generate an id and a resourceId
@@ -486,7 +488,6 @@ Package.prototype.serialize = function () {
     assetUrl: this.assetUrl,
     assetType: this.assetType,
     json: this.json,
-    endpoint: this.endpoint,
     gitUrl: this.gitUrl,
     dependencies: this.dependencies
   };