[Refactor] Remove dead code in KV connector (#36424)

Signed-off-by: yewentao256 <zhyanwentao@126.com>

vllm/v1/core/sched/scheduler.py

@@ -184,13 +184,11 @@ class Scheduler(SchedulerInterface):
 
         # Encoder-related.
         # Calculate encoder cache size if applicable
-        self.supports_mm_inputs = mm_registry.supports_multimodal_inputs(
+        supports_mm_inputs = mm_registry.supports_multimodal_inputs(
             vllm_config.model_config
         )
-        self.mm_budget = mm_budget = (
-            MultiModalBudget(vllm_config, mm_registry)
-            if self.supports_mm_inputs
-            else None
+        mm_budget = (
+            MultiModalBudget(vllm_config, mm_registry) if supports_mm_inputs else None
         )
 
         # NOTE: Text-only encoder-decoder models are implemented as

vllm/v1/engine/core.py

@@ -148,7 +148,7 @@ class EngineCore:
         if self.scheduler.connector is not None:  # type: ignore
             self.model_executor.init_kv_output_aggregator(self.scheduler.connector)  # type: ignore
 
-        self.mm_registry = mm_registry = MULTIMODAL_REGISTRY
+        mm_registry = MULTIMODAL_REGISTRY
         self.mm_receiver_cache = mm_registry.engine_receiver_cache_from_config(
             vllm_config
         )
@@ -800,8 +800,6 @@ class EngineCoreProc(EngineCore):
             vllm_config,
             client_handshake_address,
         ) as addresses:
-            self.client_count = len(addresses.outputs)
-
             # Set up data parallel environment.
             self.has_coordinator = addresses.coordinator_output is not None
             self.frontend_stats_publish_address = (