salut_roomlist_manager_request: don't check the Server property as user can't pass it when requesting anymore
salut_roomlist_manager_request: don't check the Server property as user can't pass it when requesting anymore

freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut