remove unused chains

Author: youssefea

base-account/base-account-rainbow-template/src/wagmi.ts

@@ -1,10 +1,7 @@
 import { getDefaultConfig } from '@rainbow-me/rainbowkit';
 import {
-  arbitrum,
   base,
   mainnet,
-  optimism,
-  polygon,
   sepolia,
 } from 'wagmi/chains';