Automated rollback of commit c9b9b4bc4f2d2f629ba76d083b22ed847b89bde8.

*** Reason for rollback ***

Appears to be cause of docs.bazel.build breakage

I think it's because the new engine is sanitizing html differently (or at all)

PiperOrigin-RevId: 312713547

scripts/docs/Gemfile

diff --git a/scripts/docs/Gemfile b/scripts/docs/Gemfile
index 02e8458..6512903 100644
--- a/scripts/docs/Gemfile
+++ b/scripts/docs/Gemfile
@@ -4,7 +4,3 @@
 gem 'redcarpet', '~> 3.2', '>= 3.2.3'
 gem 'jekyll-toc', '~> 0.13.1'
 gem 'jekyll-sitemap', '~> 1.4.0'
-
-group :jekyll_plugins do
-  gem 'jekyll-commonmark-ghpages', '~> 0.1.6'
-end

site/_config.yml

diff --git a/site/_config.yml b/site/_config.yml
index c06aa8d..e9b0fe3 100644
--- a/site/_config.yml
+++ b/site/_config.yml
@@ -1,5 +1,5 @@
 destination: production
-markdown: CommonMarkGhPages
+markdown: kramdown
 kramdown:
   syntax_highlighter: rouge
   toc_levels: "2,3"
@@ -12,7 +12,6 @@
   - jekyll-paginate
   - jekyll-toc
   - jekyll-sitemap
-  - jekyll-commonmark-ghpages
 
 url: "https://docs.bazel.build" # used by jekyll-sitemap
 
@@ -66,7 +65,3 @@
   max_level: 3
   list_class: page-toc
   sublist_class: page-toc-sublist
-
-commonmark:
-  options: ["SMART", "FOOTNOTES"]
-  extensions: ["strikethrough", "autolink", "table", "tagfilter"]