fix: remove clean from prepare (#997)

Closes #996
Closes #995

Author: OrKoN

package.json

@@ -20,7 +20,7 @@
     "test:no-build": "node scripts/test.mjs",
     "test:only": "npm run build && node scripts/test.mjs --test-only",
     "test:update-snapshots": "npm run build && node scripts/test.mjs --test-update-snapshots",
-    "prepare": "npm run clean && node --experimental-strip-types scripts/prepare.ts",
+    "prepare": "node --experimental-strip-types scripts/prepare.ts",
     "verify-server-json-version": "node --experimental-strip-types scripts/verify-server-json-version.ts",
     "eval": "npm run build && CHROME_DEVTOOLS_MCP_NO_USAGE_STATISTICS=true node --experimental-strip-types scripts/eval_gemini.ts",
     "count-tokens": "node --experimental-strip-types scripts/count_tokens.ts"