Update after review from gemini-code

Update comments:
- vllm-project#28309 (review)

Signed-off-by: Martin Hickey <martin.hickey@ie.ibm.com>

Author: hickeyma

vllm/distributed/kv_transfer/kv_connector/v1/lmcache_connector.py

@@ -244,7 +244,7 @@ def update_connector_output(self, connector_output: KVConnectorOutput):
             or not kv_events.events
         ):
             return
-        self._kv_events = kv_events.events
+        self._kv_events.extend(kv_events.events)
         return
 
     def request_finished(

vllm/v1/worker/kv_connector_model_runner_mixin.py

@@ -22,7 +22,6 @@
     has_kv_transfer_group,
 )
 from vllm.distributed.kv_transfer.kv_connector.base import KVConnectorBase
-from vllm.distributed.kv_transfer.kv_connector.v1.metrics import KVConnectorStats
 from vllm.forward_context import get_forward_context, set_forward_context
 from vllm.logger import init_logger
 from vllm.v1.kv_cache_interface import AttentionSpec, KVCacheConfig
@@ -149,12 +148,6 @@ def _get_kv_connector_output(
                 output.kv_connector_stats = output.kv_cache_events = None
             kv_connector.clear_connector_metadata()
 
-    @staticmethod
-    def get_kv_connector_stats() -> KVConnectorStats | None:
-        if has_kv_transfer_group():
-            return get_kv_transfer_group().get_kv_connector_stats()
-        return None
-
     @staticmethod
     def use_uniform_kv_cache(
         attn_groups: list[list[AttentionGroup]],