Also remove unnecessary dependency.

Author: wparad

package.json

@@ -31,7 +31,6 @@
     "ci-build-tools": "^1.0.13",
     "commander": "^4.0.1",
     "eslint": "^10.1.0",
-    "eslint-plugin-promise": "^7.2.1",
     "fs-extra": "^8.1.0",
     "glob": "^7.1.6",
     "sinon": "^7.5.0",