Deleted unnecessary files closes #8 #9 #10

tiles_png/community/cert/CONTRIBUTE.md

-# How-to Contribute
-
-* Take a look on https://howto.rc3.world/maps.html
-* Read the README as well.
-
-## Install pre-commit hook for image checks.
-* pip3 install -r requirements.txt
-* ln scripts/check_imgs.py .git/hooks/pre-commit
-
-## What to contribute
-### Sprites
-* Only commit sprites you created yourself.
-* Only single sprites, we will (re)generate the spritesheets for you.
-* Make sure your sprite is dividable by 32px on both axis.
-* We generate our spritesheets in alphabetical order, would be nice if your new sprites are already named to take their place at the end of the list.
-
-## Get your stuff in this repository
-* Create a pull request (preferred)
-* Send a mail to deinkoks@cert.ccc.de if your not familiar with git