chore: remove @types/mongodb (#38)

Author: lukashass

package.json

@@ -33,7 +33,6 @@
     "@geprog/semantic-release-config": "1.0.0",
     "@jest/types": "26.6.2",
     "@types/jest": "26.0.23",
-    "@types/mongodb": "^3.6.20",
     "@types/node": "15.12.4",
     "eslint": "7.29.0",
     "jest": "26.6.3",