This reverts commit ca16a82d.

I disagree!

Original idea was that user can replace these components with some other
implementation but there is no possible other implementation in OpenWRT.
Default tools used by OpenWRT are disabled in Turris OS build and thanks
to that we just don't have any alternative except of using syslog and
cron from Turris OS.

Updater is just dummy package that is only needed for migration
purposes.

This command deploys extension of OpenWRT build that can be used to
always build tip of the git branch. It is intended for software
development.

... by dropping no longer needed patch and by disabling kernel module we don't need.