[20.10 backport] docs: update deprecation status for "overlay2.override_kernel_check" #3807
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Commit moby/moby@955c1f8 (v17.12.0) replaced detection of support for multiple lowerdirs (as required by overlay2) to not depend on the kernel version. The
overlay2.override_kernel_check
was still used to print a warning that older kernel versions may not have full support.After this, moby/moby@e226aea (v20.10, but backported to v19.03.7) removed uses of the option altogether.
(cherry picked from commit bacc5e3)