Remove unused redis connection

Author: abrookins

agent_memory_server/api.py

@@ -449,8 +449,6 @@ async def search_long_term_memory(
     if not settings.long_term_memory:
         raise HTTPException(status_code=400, detail="Long-term memory is disabled")
 
-    await get_redis_conn()
-
     # Extract filter objects from the payload
     filters = payload.get_filters()