These features have been around for over 2 years and every reasonable
deployment should have them enabled.
The only case when those features could be not enabled is when the user
has used enable_sstables_mc_format config flag to disable MC sstable
format. This case has been eliminated by removing
enable_sstables_mc_format config flag.
Signed-off-by: Piotr Jastrzebski <piotr@scylladb.com>
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