Remove vulnerable unused Distill assets

Gemfile

@@ -4,7 +4,6 @@ gem 'jekyll'
 
 # Core plugins that directly affect site building
 group :jekyll_plugins do
-    gem 'jekyll-3rd-party-libraries'
     gem 'jekyll-archives-v2'
     gem 'jekyll-cache-bust'
     gem 'jekyll-email-protect'
@@ -30,9 +29,10 @@ end
 
 # Gems for development or external data fetching (outside :jekyll_plugins)
 group :other_plugins do
-    gem 'css_parser'
+    gem 'concurrent-ruby', '>= 1.3.7'
     gem 'feedjira'
     gem 'httparty'
+    gem 'nokogiri', '>= 1.19.4'
     gem 'observer'       # used by jekyll-scholar
     gem 'ostruct'        # used by jekyll-twitter-plugin
     # gem 'terser'         # used by jekyll-terser

Gemfile.lock

@@ -45,7 +45,7 @@ GEM
       fast-stemmer (~> 1.0)
       matrix (~> 0.4)
     colorator (1.1.0)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.8)
     connection_pool (3.0.2)
     crass (1.0.6)
     csl (2.2.1)
@@ -58,8 +58,6 @@ GEM
       time (< 1.0)
     csl-styles (2.0.2)
       csl (~> 2.0)
-    css_parser (1.21.1)
-      addressable
     cssminify2 (2.1.0)
     csv (3.3.5)
     date (3.5.1)
@@ -118,10 +116,6 @@ GEM
       multi_xml (>= 0.5.2)
     i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    jekyll-3rd-party-libraries (0.0.1)
-      css_parser (>= 1.6, < 2.0)
-      jekyll (>= 3.6, < 5.0)
-      nokogiri (>= 1.8, < 2.0)
     jekyll (4.4.1)
       addressable (~> 2.4)
       base64 (~> 0.2)
@@ -216,21 +210,21 @@ GEM
       bigdecimal (>= 3.1, < 5)
     namae (1.2.0)
       racc (~> 1.7)
-    nokogiri (1.19.2-aarch64-linux-gnu)
+    nokogiri (1.19.4-aarch64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.19.2-aarch64-linux-musl)
+    nokogiri (1.19.4-aarch64-linux-musl)
       racc (~> 1.4)
-    nokogiri (1.19.2-arm-linux-gnu)
+    nokogiri (1.19.4-arm-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.19.2-arm-linux-musl)
+    nokogiri (1.19.4-arm-linux-musl)
       racc (~> 1.4)
-    nokogiri (1.19.2-arm64-darwin)
+    nokogiri (1.19.4-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.19.2-x86_64-darwin)
+    nokogiri (1.19.4-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.19.2-x86_64-linux-gnu)
+    nokogiri (1.19.4-x86_64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.19.2-x86_64-linux-musl)
+    nokogiri (1.19.4-x86_64-linux-musl)
       racc (~> 1.4)
     observer (0.1.2)
     open-uri (0.5.0)
@@ -299,11 +293,10 @@ PLATFORMS
 
 DEPENDENCIES
   classifier-reborn
-  css_parser
+  concurrent-ruby (>= 1.3.7)
   feedjira
   httparty
   jekyll
-  jekyll-3rd-party-libraries
   jekyll-archives-v2
   jekyll-cache-bust
   jekyll-email-protect
@@ -323,6 +316,7 @@ DEPENDENCIES
   jekyll-toc
   jekyll-twitter-plugin
   jemoji
+  nokogiri (>= 1.19.4)
   observer
   ostruct
 

_config.yml

@@ -196,7 +196,6 @@ keep_files:
 
 # Plug-ins
 plugins:
-  - jekyll-3rd-party-libraries
   - jekyll-archives-v2
   - jekyll-cache-bust
   - jekyll-email-protect