Remove unused type: ignore[override] comment to fix mypy lint

The parent TSaslClientTransport.send_sasl_msg() has no type annotations,
so there is no override incompatibility for mypy to suppress.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: ShreyeshArangath

pyiceberg/catalog/hive.py

@@ -154,7 +154,7 @@ class _DigestMD5SaslTransport(TTransport.TSaslClientTransport):
     coerces ``None`` to ``b""`` so the SASL handshake proceeds normally.
     """
 
-    def send_sasl_msg(self, status: int, body: bytes | None) -> None:  # type: ignore[override]
+    def send_sasl_msg(self, status: int, body: bytes | None) -> None:
         super().send_sasl_msg(status, body if body is not None else b"")