this plugin is not actually relevant

Gemfile

@@ -9,7 +9,7 @@ gem "alembic-jekyll-theme", "~> 2.2"
 # The plugins for the site
 group :jekyll_plugins do
   gem "jekyll-sitemap"
-  gem "jekyll-mentions"
+#  gem "jekyll-mentions"
   gem "jekyll-paginate"
   gem "jekyll-seo-tag"
   gem "jekyll-redirect-from"

_config.yml

@@ -25,7 +25,7 @@ exclude:
 # 2. Installed Plugin
 plugins:
 - jekyll-sitemap
-- jekyll-mentions
+#- jekyll-mentions
 - jekyll-paginate
 - jekyll-seo-tag
 - jekyll-redirect-from
@@ -36,7 +36,7 @@ plugins:
 
 # 3. Gem settings
 paginate_path: blog/page:num # jekyll-paginate > blog page
-jekyll-mentions: https://twitter.com # jekyll-mentions > service used when @replying
+#jekyll-mentions: https://twitter.com # jekyll-mentions > service used when @replying
 twitter:
   username: Chaotikum_ev # jekyll-seo-tag > Owners twitter username
 author: Chaotikum e.V. # jekyll-seo-tag > default author