remove dup add_drafts (#718)

wechatpy/client/api/material.py

@@ -5,33 +5,6 @@
 
 
 class WeChatMaterial(BaseWeChatAPI):
-    def add_drafts(self, articles):
-        """
-        新增草稿素材, 原 新增永久图文素材
-        用于替换原本的新增永久图文素材add_articles方法（接口为add_news）
-        详情参考
-        https://developers.weixin.qq.com/doc/offiaccount/Draft_Box/Add_draft.html
-
-        :param articles: 图文素材数组
-        :type articles: list[dict]
-        :return: 返回的 JSON 数据包
-        """
-        articles_data = []
-        for article in articles:
-            articles_data.append(
-                {
-                    "title": article["title"],
-                    "author": article.get("author", ""),
-                    "digest": article.get("digest", ""),
-                    "content": article["content"],
-                    "content_source_url": article.get("content_source_url", ""),
-                    "thumb_media_id": article["thumb_media_id"],
-                    "need_open_comment": int(article.get("need_open_comment", False)),
-                    "only_fans_can_comment": int(article.get("only_fans_can_comment", False)),
-                }
-            )
-        return self._post("draft/add", data={"articles": articles_data})
-
     def submit(self, media_id):
         """
         发布图文消息，前置条件是先将其存为草稿（使用add_drafts方法）