Google+ API Shutdown issue

[tryweb]

There are many codes using plus api. Therefore, the dokuwiki plugin (authgoogle) should be not work after 2019/3/7

Exp.
config.php: 'plus' => array('scope' => 'https://www.googleapis.com/auth/plus.login'),

contrib/Google_Oauth2Service.php: $this->userinfo = new Google_UserinfoServiceResource($this, $this->serviceName, 'userinfo', json_decode('{"methods": {"get": {"id": "oauth2.userinfo.get", "path": "oauth2/v2/userinfo", "httpMethod": " GET", "response": {"$ref": "Userinfo"}, "scopes": ["https://www.googleapis.com/auth/plus.login", "https://www.googleapis.com/auth/plus.me", "https://www.googleapis.com/auth/userinfo.email", "https://www.googleapis.com/auth/userinfo.profi le"]}}}', true));

Ref - https://developers.google.com/+/api-shutdown