Remove babel-plugin-transform-async-to-bluebird

Author: t3chguy

package.json

@@ -91,7 +91,6 @@
     "babel-loader": "^7.1.5",
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-plugin-syntax-dynamic-import": "^6.18.0",
-    "babel-plugin-transform-async-to-bluebird": "^1.1.1",
     "babel-plugin-transform-builtin-extend": "^1.1.2",
     "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-plugin-transform-object-rest-spread": "^6.26.0",