fix: remove duplicate get_test_signed_transaction_with_chain_id fn

Author: andygolay

types/src/test_helpers/transaction_test_helpers.rs

@@ -165,34 +165,6 @@ pub fn get_test_signed_txn(
     )
 }
 
-pub fn get_test_signed_transaction_with_chain_id(
-    sender: AccountAddress,
-    sequence_number: u64,
-    private_key: &Ed25519PrivateKey,
-    public_key: Ed25519PublicKey,
-    payload: Option<TransactionPayload>,
-    expiration_timestamp_secs: u64,
-    gas_unit_price: u64,
-    max_gas_amount: Option<u64>,
-    chain_id: ChainId
-) -> SignedTransaction {
-    let raw_txn = RawTransaction::new(
-        sender,
-        sequence_number,
-        payload.unwrap_or_else(|| {
-            TransactionPayload::Script(Script::new(EMPTY_SCRIPT.to_vec(), vec![], vec![]))
-        }),
-        max_gas_amount.unwrap_or(MAX_GAS_AMOUNT),
-        gas_unit_price,
-        expiration_timestamp_secs,
-        chain_id,
-    );
-
-    let signature = private_key.sign(&raw_txn).unwrap();
-
-    SignedTransaction::new(raw_txn, public_key, signature)
-}
-
 pub fn get_test_unchecked_txn(
     sender: AccountAddress,
     sequence_number: u64,