rm unused

Author: nazreen

examples/oft-solana/package.json

@@ -109,8 +109,7 @@
     "solidity-bytes-utils": "^0.8.2",
     "ts-mocha": "^10.0.0",
     "ts-node": "^10.9.2",
-    "typescript": "^5.4.4",
-    "zx": "^8.1.3"
+    "typescript": "^5.4.4"
   },
   "engines": {
     "node": ">=20.19.5"