chore(eth-sender): remove deprecated proof loading (#2958)

## What ❔

Removes deprecated proof loading for eth-sender

## Checklist

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- [ ] PR title corresponds to the body of PR (we generate changelog
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- [ ] Tests for the changes have been added / updated.
- [ ] Documentation comments have been added / updated.
- [ ] Code has been formatted via `zk fmt` and `zk lint`.

core/node/eth_sender/src/aggregator.rs

@@ -526,22 +526,5 @@ pub async fn load_wrapped_fri_proofs_for_range(
         }
     }
 
-    // We also check file with deprecated name if patch 0 is allowed.
-    // TODO: remove in the next release.
-    let is_patch_0_present = allowed_versions.iter().any(|v| v.patch.0 == 0);
-    if is_patch_0_present {
-        match blob_store
-            .get_by_encoded_key(format!("l1_batch_proof_{l1_batch_number}.bin"))
-            .await
-        {
-            Ok(proof) => return Some(proof),
-            Err(ObjectStoreError::KeyNotFound(_)) => (), // do nothing, proof is not ready yet
-            Err(err) => panic!(
-                "Failed to load proof for batch {}: {}",
-                l1_batch_number.0, err
-            ),
-        }
-    }
-
     None
 }