chore(relayer): removes unrequired extra yarn as dev dependency

Author: fcanela

relayer-cli/package.json

@@ -27,7 +27,6 @@
     "@types/jest": "^29.5.14",
     "jest": "^29.7.0",
     "ts-jest": "^29.2.5",
-    "ts-node": "^10.9.2",
-    "yarn": "^1.22.22"
+    "ts-node": "^10.9.2"
   }
 }