Remove firebase from package.json

Author: Khabib Murtuzaaliev

package.json

@@ -25,7 +25,6 @@
     "angular2-uuid": "^1.1.1",
     "core-js": "^2.4.1",
     "current-week-number": "^1.0.7",
-    "firebase": "^4.3.0",
     "jquery": "^3.2.1",
     "ng2-completer": "^1.6.0",
     "rxjs": "^5.1.0",