Remove unused dep

Gemfile

@@ -16,7 +16,6 @@ gem "minima", "~> 2.5"
 # If you have any plugins, put them here!
 group :jekyll_plugins do
   gem "jekyll-feed", "~> 0.12"
-  gem 'jekyll_picture_tag', '~> 2.0'
 end
 
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem

Gemfile.lock

@@ -50,13 +50,6 @@ GEM
       jekyll (>= 3.8, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    jekyll_picture_tag (2.1.0)
-      addressable (~> 2.6)
-      jekyll (~> 4.0)
-      mime-types (~> 3.0)
-      objective_elements (~> 1.1)
-      rainbow (~> 3.0)
-      ruby-vips (~> 2.0.17)
     kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
@@ -66,26 +59,19 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
-    mime-types (3.5.2)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2024.0305)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    objective_elements (1.1.2)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (5.0.4)
-    rainbow (3.1.1)
     rake (13.1.0)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.6)
     rouge (4.2.1)
-    ruby-vips (2.0.17)
-      ffi (~> 1.9)
     safe_yaml (1.0.5)
     sass-embedded (1.72.0)
       google-protobuf (>= 3.25, < 5.0)
@@ -147,7 +133,6 @@ DEPENDENCIES
   http_parser.rb (~> 0.6.0)
   jekyll (~> 4.3.3)
   jekyll-feed (~> 0.12)
-  jekyll_picture_tag (~> 2.0)
   minima (~> 2.5)
   tzinfo (>= 1, < 3)
   tzinfo-data