jekyll 4.3

Gemfile

@@ -1,39 +1,18 @@
 source "https://rubygems.org"
 
-# Hello! This is where you manage which Jekyll version is used to run.
-# When you want to use a different version, change it below, save the
-# file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
-#
-#     bundle exec jekyll serve
-#
-# This will help ensure the proper Jekyll version is running.
-# Happy Jekylling!
-#gem "jekyll", "~> 3.8.3"
-
-# This is the default theme for new Jekyll sites. You may change this to anything you like.
-# gem "minima", "~> 2.0"
-# 
-# gem "jekyll-remote-theme"
+gem "jekyll", "~> 4.3.3"
 gem "just-the-docs"
-# 
-gem "webrick"
-# gem "github-pages"
-# gem "rexml"
-# gem "jekyll-spaceship"
-
-# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
-# uncomment the line below. To upgrade, run `bundle update github-pages`.
-gem "github-pages"
 
+#
 # If you have any plugins, put them here!
 group :jekyll_plugins do
   # gem "jekyll-feed", "~> 0.6"
   gem "jekyll-spaceship"
 end
 
-# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
-
-# Performance-booster for watching directories on Windows
-gem "wdm", "~> 0.1.0" if Gem.win_platform?
+# # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+# gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+# 
+# # Performance-booster for watching directories on Windows
+# gem "wdm", "~> 0.1.0" if Gem.win_platform?