fix(.babelrc): enable modules

Author: michael-ciniawsky

.babelrc

@@ -3,7 +3,6 @@
     [
       "env",
       {
-        "modules": false,
         "useBuiltIns": true,
         "targets": {
           "node": 4.3
@@ -15,6 +14,14 @@
       }
     ]
   ],
+  "plugins": [
+    [
+      "transform-object-rest-spread",
+      {
+        "useBuiltIns": true
+      }
+    ]
+  ],
   "env": {
     "test": {
       "presets": [
@@ -24,13 +31,5 @@
         "transform-object-rest-spread"
       ]
     }
-  },
-  "plugins": [
-    [
-      "transform-object-rest-spread",
-      {
-        "useBuiltIns": true
-      }
-    ]
-  ]
-}
+  }
+}