移除不必要的内容

CoreModules/database.py

@@ -124,17 +124,7 @@ class Database:
 
     def init_tables(self):
         """初始化数据库表"""
-        cursor = self.conn.cursor()
-        
-        # 用户表
-        cursor.execute("""
-            CREATE TABLE IF NOT EXISTS users (
-                user_id INTEGER PRIMARY KEY,
-                username TEXT,
-                created_at INTEGER NOT NULL,
-                last_active INTEGER NOT NULL
-            )
-        """)
+        pass
     
     def close(self):
         """关闭数据库连接"""