manifest: Drop geary (Hopefully temporarily)
manifest: Drop geary (Hopefully temporarily)

See https://bugzilla.gnome.org/show_bug.cgi?id=726578

vrutkovs/vrutkovs.github.io,chergert/gnome-continuous,vrutkovs/vrutkovs.github.io,chergert/gnome-continuous,vrutkovs/vrutkovs.github.io,chergert/gnome-continuous