[shuffle] revert accountTransactions to hardcoded json_rpc endpoint
[shuffle] revert accountTransactions to hardcoded json_rpc endpoint

Closes: #9511

aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,libra/libra,libra/libra,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra