Cleanup Jekyll dependencies

Signed-off-by: Harry Chen <i@harrychen.xyz>

Gemfile

@@ -12,10 +12,8 @@ end
 group :jekyll_plugins do
     gem 'jekyll-paginate', '~> 1.1'
     gem 'jekyll-relative-links', '~> 0.7.0'
-    gem 'jekyll-sass-converter', '~> 3.0'
     gem 'jekyll-sitemap', '~> 1.4'
     gem 'jekyll-titles-from-headings', '~> 0.5.3'
-    gem 'jekyll-babel', '~> 1.1'
     gem 'jekyll-fontawesome-svg', '~> 0.4.0'
     gem 'jekyll-minifier', '~> 0.1.10'
 end

_config.yml

@@ -44,23 +44,16 @@ kramdown:
     input: GFM
     hard_wrap: false
 
-
-sass:
-    sass_dir: static/css
-
 vite:
     config_path: _src/vite.json
     viteConfig: _vite.config.mjs
 
 plugins:
     - jekyll-relative-links
-    - jekyll-babel
     - jekyll-sitemap
     - jekyll/fontawesome/svg
     - jekyll-minifier
 
-babel_js_extensions: 'es6'
-
 jekyll-minifier:
     exclude: [ 'assets/*' ]