remove: replacement_message_received message

Author: uri-99

batcher/aligned-batcher/src/lib.rs

@@ -695,10 +695,6 @@ impl Batcher {
             "Replacement entry is valid, incrementing fee for sender: {:?}, nonce: {:?}, max_fee: {:?}",
             replacement_entry.sender, replacement_entry.nonced_verification_data.nonce, replacement_max_fee
         );
-        send_message(
-            ws_conn_sink.clone(),
-            ResponseMessage::ReplacementMessageReceived,
-        ).await;
 
         // remove the old entry and insert the new one
         // note that the entries are considered equal for the priority queue

batcher/aligned-sdk/src/communication/messaging.rs

@@ -134,10 +134,6 @@ async fn process_batch_inclusion_data(
                 verification_data_commitment,
             );
         }
-        Ok(ResponseMessage::ReplacementMessageReceived) => {
-            // This message is not processed, it is only used to signal the client that the replacement message was received by the batcher.
-            // This is because the sender expects to receive the same amount of messages as it has sent.
-        }
         Ok(ResponseMessage::InvalidNonce) => {
             error!("Batcher responded with invalid nonce");
             return Err(SubmitError::InvalidNonce);

batcher/aligned-sdk/src/core/types.rs

@@ -367,7 +367,6 @@ pub enum ResponseMessage {
     AddToBatchError,
     EthRpcError,
     InvalidPaymentServiceAddress(Address, Address),
-    ReplacementMessageReceived,
 }
 
 #[derive(Debug, Clone, Copy)]