Revert "Merge branch 'master' of github.com:freifunk-ffm/packages"

This reverts commit fe5bf7397904108cff004cbf787654125a285a6a, reversing
changes made to 7ea3025bad694b4ef877125e7b90ca2cb6b96b3a.
Revert "Revert "Merge branch 'master' of github.com:freifunk-ffm/packages""

This reverts commit 3e159427e2c45e3a8cea64242d538bd438c1bd10.
only keep packages specific to frankfurt