[packages/doomsday] Non-fast-forward update to branch dev-2.1

[glen]

The branch 'dev-2.1' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch.

Commits removed from the branch:

  186ca57... BR: fluidsynth-devel, zlib-devel, zziplib-devel

Commits added to the branch:

  bd39a66... BR: fluidsynth-devel, minizip-devel, zlib-devel, zziplib-de