Revert "Display a Docs-Preview link for each modified MD file"

This reverts commit 42d753031d3f8a7d1bfed9cecfda0bd0f082280f.

Reason for revert: Replaced by the work in skbug.com/11824

Original change's description:
> Display a Docs-Preview link for each modified MD file
>
> Bug: skia:11824
> Change-Id: I6bd557affca5ccf9f2936d86e2b0da168ceb2670
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/390577
> Commit-Queue: Ravi Mistry <rmistry@google.com>
> Reviewed-by: Joe Gregorio <jcgregorio@google.com>

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: skia:11824
Change-Id: Ia874ed6474fcae4698cd676dbdf208dbdefdedc4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/399716
Reviewed-by: Ravi Mistry <rmistry@google.com>
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
1 file changed