Update package.json

Author: anthonygore

package.json

@@ -30,8 +30,7 @@
     "babel-plugin-transform-es2015-destructuring": "~6.23.0",
     "babel-plugin-transform-object-rest-spread": "~6.26.0",
     "babel-plugin-transform-runtime": "~6.23.0",
-    "babel-preset-env": "~1.6.1",
-    "cross-env": "~3.0.0",
+    "babel-preset-env": "~1.6.1"
     "css-loader": "~0.25.0",
     "file-loader": "~0.9.0",
     "moment": "~2.17.1",