fix: remove old dependency

Gemfile

@@ -8,8 +8,7 @@ group :jekyll_plugins do
       "~> 0.6"
 
   gem "jekyll-paginate-v2", 
-      "~> 2",
-      :git => "https://github.com/sverrirs/jekyll-paginate-v2.git"
+      "~> 3"
 
   gem 'jekyll-theme-lcsb-frozen-components', 
       '~> 0.0.1',