McdConnection: Remove circularly dependent code from the RequestChannel code path
McdConnection: Remove circularly dependent code from the RequestChannel code path

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