Remove Deprecation oauth2_url

lib/wechat/corp_api.rb

@@ -2,7 +2,6 @@
 require 'wechat/http_client'
 require 'wechat/token/corp_access_token'
 require 'wechat/ticket/corp_jsapi_ticket'
-require 'cgi'
 
 module Wechat
   class CorpApi < ApiBase
@@ -33,13 +32,6 @@ def getuserinfo(code)
       get 'user/getuserinfo', params: { code: code }
     end
 
-    def oauth2_url(redirect_uri, appid)
-      ActiveSupport::Deprecation.warn('oauth2_url is deprecated. use wechat_oauth2 instead.')
-
-      redirect_uri = CGI.escape(redirect_uri)
-      "https://open.weixin.qq.com/connect/oauth2/authorize?appid=#{appid}&redirect_uri=#{redirect_uri}&response_type=code&scope=snsapi_base#wechat_redirect"
-    end
-
     def convert_to_openid(userid)
       post 'user/convert_to_openid', JSON.generate(userid: userid, agentid: agentid)
     end