Remove unused [dev]dependencies

package.json

@@ -7,24 +7,20 @@
     "aws-sdk": "^2.62.0",
     "body-parser": "^1.17.2",
     "bytes": "^2.5.0",
-    "color-convert": "^1.9.0",
     "connect-busboy": "0.0.2",
     "convict": "^3.0.0",
     "cross-env": "^5.0.1",
     "express": "^4.15.3",
     "express-handlebars": "^3.0.0",
-    "fs-extra": "^3.0.1",
     "helmet": "^3.6.1",
     "jquery": "^3.2.1",
     "mozlog": "^2.1.1",
-    "node-fetch": "^1.7.1",
     "raven-js": "^3.16.0",
     "redis": "^2.7.1",
     "uglify-es": "3.0.19"
   },
   "devDependencies": {
     "browserify": "^14.4.0",
-    "buffer-shims": "^1.0.0",
     "eslint": "^4.0.0",
     "eslint-plugin-mocha": "^4.11.0",
     "eslint-plugin-node": "^5.0.0",