refactor: remove mocha

package.json

@@ -37,7 +37,6 @@
     "@types/http-proxy": "^1.17.4",
     "@types/jest": "^26.0.20",
     "@types/js-yaml": "^3.12.3",
-    "@types/mocha": "^8.0.3",
     "@types/node": "^12.12.7",
     "@types/node-fetch": "^2.5.7",
     "@types/parcel-bundler": "^1.12.1",
@@ -58,7 +57,6 @@
     "eslint-plugin-prettier": "^3.1.0",
     "jest": "^26.6.3",
     "leaked-handles": "^5.2.0",
-    "mocha": "^8.1.2",
     "parcel-bundler": "^1.12.4",
     "prettier": "^2.0.5",
     "stylelint": "^13.0.0",