Removed unused dependencies.

Author: clintonwoo

package.json

@@ -38,7 +38,6 @@
     "debug": "^3.0.1",
     "dotenv": "^4.0.0",
     "express": "^4.15.4",
-    "express-graphql": "^0.6.7",
     "express-session": "^1.15.5",
     "firebase": "^4.3.1",
     "graphql": "^0.10.5",
@@ -71,14 +70,11 @@
     "eslint-plugin-import": "^2.7.0",
     "eslint-plugin-jsx-a11y": "^6.0.2",
     "eslint-plugin-react": "^7.2.1",
-    "file-loader": "^0.11.2",
     "flow-bin": "^0.54.0",
     "jest": "^20.0.4",
     "jest-enzyme": "^3.8.0",
     "mockdate": "^2.0.2",
     "nodemon": "^1.12.0",
-    "react-test-renderer": "^15.6.1",
-    "webpack": "^3.5.5",
-    "webpack-dev-server": "^2.7.1"
+    "react-test-renderer": "^15.6.1"
   }
 }