Remove usage of TaggedFields

TaggedFields doesn't seem to work properly at the moment. Maybe they
should be replaced by an implementation closer to the java client with
their "flexibleVersions"

aiokafka/admin/client.py

@@ -646,8 +646,7 @@ async def delete_records(
         for leader, delete_request in requests.items():
             request = req_cls(
                 self._convert_records_to_delete(delete_request),
-                timeout_ms or self._request_timeout_ms,
-                {},
+                timeout_ms or self._request_timeout_ms
             )
             response = await self._client.send(leader, request)
             for topic, partitions in response.topics:
@@ -665,8 +664,7 @@ def _convert_records_to_delete(
         return [
             (
                 topic,
-                [(partition, rec.before_offset, {}) for partition, rec in records],
-                {},
+                [(partition, rec.before_offset) for partition, rec in records]
             )
             for topic, records in records_to_delete.items()
         ]

aiokafka/protocol/admin.py

@@ -1389,11 +1389,13 @@ class DeleteRecordsRequest_v2(Request):
 DeleteRecordsRequest = [
     DeleteRecordsRequest_v0,
     DeleteRecordsRequest_v1,
-    DeleteRecordsRequest_v2,
+    # FIXME: We have some problems with `TaggedFields`
+    # DeleteRecordsRequest_v2,
 ]
 
 DeleteRecordsResponse = [
     DeleteRecordsResponse_v0,
     DeleteRecordsResponse_v1,
-    DeleteRecordsResponse_v2,
+    # FIXME: We have some problems with `TaggedFields`
+    # DeleteRecordsResponse_v2,
 ]

aiokafka/protocol/types.py

@@ -313,6 +313,7 @@ def encode(self, value):
         return UnsignedVarInt32.encode(len(value) + 1) + value
 
 
+# FIXME: TaggedFields doesn't seem to work properly so they should be avoided
 class TaggedFields(AbstractType):
     @classmethod
     def decode(cls, data):