Revert "Add auto generated documentation about atomic policy groups"

This reverts commit 5d3ecdf99f71f71e5ae4da9ca99182d39b7034bb.

Reason for revert:

Findit (https://goo.gl/kROfz5) identified CL at revision 668579 as the
culprit for failures in the build cycles as shown on:
https://analysis.chromium.org/waterfall/culprit?key=ag9zfmZpbmRpdC1mb3ItbWVyRAsSDVdmU3VzcGVjdGVkQ0wiMWNocm9taXVtLzVkM2VjZGY5OWY3MWY3MWU1YWU0ZGE5Y2E5OTE4MmQzOWI3MDM0YmIM

Sample Failed Build: https://ci.chromium.org/buildbot/chromium/win32-archive-rel/1525

Sample Failed Step: compile

Original change's description:
> Add auto generated documentation about atomic policy groups
> 
> Bug: 962669
> Change-Id: Ie6333108a9bbe06c16eeb3895b17df855b705f4e
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1612103
> Reviewed-by: Nico Weber <thakis@chromium.org>
> Reviewed-by: Lutz Justen <ljusten@chromium.org>
> Commit-Queue: Yann Dago <ydago@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#668579}


Change-Id: If3ca820df12febce462349a9e4bcaa826b903235
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 962669
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1656811
Cr-Commit-Position: refs/heads/master@{#668610}
17 files changed