removed gaze from dev dependencies and removed not working dev script (#6745)

* removed gaze from dev dependencies and removed not working dev script

* updated package-lock.json

Author: vince1995

package-lock.json

@@ -80,7 +80,6 @@
     "eslint-plugin-flowtype": "5.1.3",
     "flow-bin": "0.119.1",
     "form-data": "3.0.0",
-    "gaze": "1.1.3",
     "graphql-tag": "^2.10.1",
     "husky": "4.2.5",
     "jasmine": "3.5.0",
@@ -95,7 +94,6 @@
   "scripts": {
     "definitions": "node ./resources/buildConfigDefinitions.js",
     "docs": "jsdoc -c ./jsdoc-conf.json",
-    "dev": "npm run build && node bin/dev",
     "lint": "flow && eslint --cache ./",
     "lint-fix": "eslint --fix --cache ./",
     "build": "babel src/ -d lib/ --copy-files",