remove bluebird dependency

package.json

@@ -76,14 +76,12 @@
   },
   "devDependencies": {
     "@istanbuljs/nyc-config-typescript": "^1.0.1",
-    "@types/bluebird": "^3.5.33",
     "@types/chai": "^4.2.14",
     "@types/mocha": "^8.2.0",
     "@types/sinon": "^9.0.9",
     "@types/webpack-env": "^1.16.0",
     "@typescript-eslint/eslint-plugin": "^4.24.0",
     "@typescript-eslint/parser": "^4.24.0",
-    "bluebird": "^3.7.2",
     "browserify-versionify": "^1.0.6",
     "chai": "^4.2.0",
     "es6-map": "^0.1.5",

test/entry.ts

@@ -7,6 +7,5 @@
 
 /// <reference types="mocha" />
 
-import "bluebird";
 import "es6-symbol";
 import "es6-map";

yarn.lock

@@ -312,11 +312,6 @@
   resolved "https://registry.npmjs.org/@sinonjs/text-encoding/-/text-encoding-0.7.1.tgz#8da5c6530915653f3a1f38fd5f101d8c3f8079c5"
   integrity sha512-+iTbntw2IZPb/anVDbypzfQa+ay64MW0Zo8aJ8gZPWMMK6/OubMVb6lUPMagqjOPnmtauXnFCACVl3O7ogjeqQ==
 
-"@types/bluebird@^3.5.33":
-  version "3.5.35"
-  resolved "https://registry.npmjs.org/@types/bluebird/-/bluebird-3.5.35.tgz#3964c48372bf62d60616d8673dd77a9719ebac9b"
-  integrity sha512-2WeeXK7BuQo7yPI4WGOBum90SzF/f8rqlvpaXx4rjeTmNssGRDHWf7fgDUH90xMB3sUOu716fUK5d+OVx0+ncQ==
-
 "@types/chai@^4.2.14":
   version "4.2.18"
   resolved "https://registry.npmjs.org/@types/chai/-/chai-4.2.18.tgz#0c8e298dbff8205e2266606c1ea5fbdba29b46e4"
@@ -1121,7 +1116,7 @@ [email protected]:
   resolved "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz#d680eeef25f8cd91ad533f5b01eed48e64caf683"
   integrity sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig==
 
-bluebird@^3.3.0, bluebird@^3.5.5, bluebird@^3.7.2:
+bluebird@^3.3.0, bluebird@^3.5.5:
   version "3.7.2"
   resolved "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
   integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==