Remove unused balance check script for OpenRouter API

- Deleted the Python script that checked the balance of the OpenRouter API, as it is no longer needed in the project.
- This cleanup contributes to maintaining a streamlined codebase by removing obsolete files.

余额查询.py

@@ -1,36 +0,0 @@
-import requests
-
-def check_openrouter_balance(api_key):
-    url = "https://openrouter.ai/api/v1/credits"
-    
-    headers = {
-        "Authorization": f"Bearer {api_key}",
-        "Referer": "https://your-site.com", 
-        "X-Title": "Balance Check Script"
-    }
-
-    try:
-        response = requests.get(url, headers=headers)
-        response.raise_for_status() # 检查请求是否成功
-        
-        data = response.json().get("data", {})
-        
-        total_credits = data.get("total_credits", 0) # 总充值/赠送金额
-        total_usage = data.get("total_usage", 0)     # 总消耗金额
-        
-        # 计算剩余余额
-        balance = total_credits - total_usage
-        
-        print(f"💰 总额度 (Total Credits): ${total_credits}")
-        print(f"📉 已使用 (Total Usage):   ${total_usage}")
-        print(f"💵 剩余余额 (Balance):     ${balance:.4f}")
-        
-        return balance
-
-    except requests.exceptions.RequestException as e:
-        print(f"查询失败: {e}")
-        return None
-
-# 替换你的 API Key
-MY_API_KEY = ""
-check_openrouter_balance(MY_API_KEY)