chore(validator): remove deprecated scripts

Author: Mani Brar

validator-cli/package.json

@@ -10,10 +10,6 @@
   },
   "scripts": {
     "start": "npx ts-node ./src/watcher.ts",
-    "start-chiado-devnet": "npx ts-node ./src/devnet/arbToChiado/happyPath.ts",
-    "start-sepolia-devnet": "npx ts-node ./src/devnet/arbToSepolia/happyPath.ts",
-    "start-sepolia-testnet": "npx ts-node ./src/ArbToEth/watcherArbToEth.ts",
-    "start-arbitrum-to-gnosis": "npx ts-node ./src/ArbToEth/watcherArbToGnosis.ts",
     "test": "jest --coverage"
   },
   "dependencies": {