test(cloudflare-kv-http): use sandbox tests

Author: pi0

package.json

@@ -89,7 +89,6 @@
     "mitata": "^1.0.20",
     "mongodb": "^6.11.0",
     "mongodb-memory-server": "^10.1.2",
-    "msw": "^1.3.5",
     "prettier": "^3.4.2",
     "types-cloudflare-worker": "^1.2.0",
     "typescript": "^5.7.2",