simplify custom plugin

test/test_content/datadir/python/content/customplugin.py

@@ -5,16 +5,10 @@ from patacrep.content import ContentItem, ContentList, validate_parser_argument
 class FakeContent(ContentItem):
     """Fake content."""
 
-    def render(self, __context):
-        return 'fakecontent'
-
     def file_entry(self):
         return {'customname:':''}
 
-#pylint: disable=unused-argument
 def parse(keyword, argument, config):
-    """
-    """
     return ContentList([FakeContent()])
 
 CONTENT_PLUGINS = {'customname': parse}