fix docs on IWSGIProtocol.get_wsgi_app_settings

src/plaster/protocols.py

@@ -35,15 +35,10 @@ def app(environ, start_response):
    @abc.abstractmethod
    def get_wsgi_app_settings(self, name=None, defaults=None):
        """
        Create a WSGI application object.

        An example application object may be:

        .. code-block:: python
        Return the settings for a WSGI application.

            def app(environ, start_response):
                start_response(b'200 OK', [(b'Content-Type', b'text/plain')])
                yield [b'hello world\\n']
        This is similar to :meth:`plaster.ILoader.get_settings` for a
        WSGI application.

        :param name: The name of the application referenced in the config.
            If ``None`` then it should default to the