chore: remove benchmark.js and update benchmark script to use tsx

- Deleted `benchmark.js` as it was no longer needed.
- Updated the `benchmark` script in `package.json` to use `tsx benchmark-json.ts` for improved performance and compatibility with TypeScript.

Author: ImBIOS

benchmark.js

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "private": true,
   "scripts": {
-    "benchmark": "node benchmark.js",
+    "benchmark": "tsx benchmark-json.ts",
     "benchmark:json": "pnpm run build:scripts && node dist/benchmark-json.js",
     "benchmark:json:ts": "tsx benchmark-json.ts",
     "build:scripts": "tsc -p tsconfig.scripts.json",