fix: remove unused deps

Author: talentlessguy

package.json

@@ -42,9 +42,7 @@
     "@tinyhttp/app": "2.4.0",
     "@types/node": "^22.7.6",
     "c8": "^10.1.2",
-    "expect": "^29.7.0",
     "husky": "^9.1.6",
-    "prettier": "^3.3.3",
     "supertest-fetch": "^2.0.0",
     "tsx": "^4.19.1",
     "typescript": "~5.6.3"