They are not maintained nor used anymore.
* osmo-bsc-sccplite: Use osmo-bsc from osmo-bsc.git instead.
* osmo-nitb: Use osmo-msc from osmo-msc.git instead.
Related: SYS#5247
This new package group contains what used to be the "task-sysmocom"
group, with an osmo-nitb. In turn, task-sysmocom.bb will be changed to
use new git repositories.