McdMission: remove placeholders for old signals, methods
McdMission: remove placeholders for old signals, methods

We're not supporting out-of-tree plugins any more.

freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control