Delete unused import of `flatpages.py`
Delete unused import of `flatpages.py`

lukasjuhrich/sipa,MarauderXtreme/sipa,lukasjuhrich/sipa,agdsn/sipa,MarauderXtreme/sipa,agdsn/sipa,MarauderXtreme/sipa,agdsn/sipa,lukasjuhrich/sipa,agdsn/sipa,lukasjuhrich/sipa