- remove python2 package as the spyder3 package dropped it a while ago

came across this because it blocks the installcheck on https://build.opensuse.org/project/show/openSUSE:Factory:Staging:adi:51

The handling of the special name without python- prefix probably needs a different approach in the future but I did not want to change too much but rather make a simple SR so that spyder3 can finally be accepted