GitLab

This CL removes the encryption migration modes START_MINIMAL_MIGRATION
and RESUME_MINIMAL_MIGRATION. These could only be triggered by
enterprise policy which was removed in CL:2513205.

Bug: 832127
Change-Id: I59be83b162a49c7437aeab321f895b80bd8de7f3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2512892
Commit-Queue: Pavol Marko <pmarko@chromium.org>
Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#826560}