Gemfile in sequel-batches-1.1.0 vs Gemfile in sequel-batches-2.0.0

@@ -2,15 +2,5 @@
 
 source "https://rubygems.org"
 
 # Specify your gem's dependencies in sequel-batches.gemspec
 gemspec
-
-# MRI/Rubinius Adapter Dependencies
-platforms :ruby do
-  gem "pg"
-end
-
-# JRuby Adapter Dependencies
-platforms :jruby do
-  gem "jdbc-postgres"
-end