chore: 移除弃用的 credit.py 模块

pkg/utils/credit.py

@@ -1,19 +0,0 @@
-# OpenAI账号免费额度剩余查询
-import requests
-
-def fetch_credit_data(api_key: str, http_proxy: str) -> dict:
-    """OpenAI账号免费额度剩余查询"""
-    proxies = {
-        "http":http_proxy,
-        "https":http_proxy
-    } if http_proxy is not None else None
-
-    resp = requests.get(
-        url="https://api.openai.com/dashboard/billing/credit_grants",
-        headers={
-            "Authorization": "Bearer {}".format(api_key),
-        },
-        proxies=proxies
-    )
-
-    return resp.json()