removed bluebird dependancey from package.json

Author: iam-dev0

package.json

@@ -38,7 +38,6 @@
     "glob": "7.1.2"
   },
   "devDependencies": {
-    "@types/bluebird": "3.5.25",
     "@types/chai": "3.4.35",
     "@types/chai-as-promised": "0.0.29",
     "@types/chai-datetime": "0.0.30",