Refactor Gemfile to include plugins directly

Removed jekyll_plugins group and added plugins directly.

Author: breakthebull

Gemfile

@@ -6,28 +6,19 @@ gem "jekyll", "~> 4.3"
 # SCSS/Sass support
 gem "jekyll-sass-converter", "~> 3.0"
 
-gem "github-pages", group: :jekyll_plugins
+gem "github-pages"
 
-# Optional plugins (GitHub Pages supports these)
-group :jekyll_plugins do
-  gem "jekyll-seo-tag"
-  gem "jekyll-feed"
-  gem "jekyll-sitemap"
-end
 
-group :jekyll_plugins do
-  gem "jekyll-fa-icons"
-end
+gem "jekyll-seo-tag"
+gem "jekyll-feed"
+gem "jekyll-sitemap"
+gem "jekyll-fa-icons"
 
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
 # and associated library.
 platforms :mingw, :x64_mingw, :mswin, :jruby do
   gem "tzinfo"
   gem "tzinfo-data"
-end
-
-# Performance-booster for watching directories on Windows
-platforms :mingw, :x64_mingw, :mswin do
   gem "wdm"
 end