remove：彻底移除normal消息发送器

src/main.py

@@ -9,7 +9,6 @@ from src.chat.utils.statistic import OnlineTimeRecordTask, StatisticOutputTask
 from src.chat.emoji_system.emoji_manager import get_emoji_manager
 from src.chat.willing.willing_manager import get_willing_manager
 from src.chat.message_receive.chat_stream import get_chat_manager
-from src.chat.message_receive.normal_message_sender import message_manager
 from src.chat.message_receive.storage import MessageStorage
 from src.config.config import global_config
 from src.chat.message_receive.bot import chat_bot
@@ -126,9 +125,6 @@ class MainSystem:
         logger.info("个体特征初始化成功")
 
         try:
-            # 启动全局消息管理器 (负责消息发送/排队)
-            await message_manager.start()
-            logger.info("全局消息管理器启动成功")
 
             init_time = int(1000 * (time.time() - init_start_time))
             logger.info(f"初始化完成，神经元放电{init_time}次")