Gemfile in yardview_gtk3-0.4.0 vs Gemfile in yardview_gtk3-0.4.1

@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
 source 'https://rubygems.org'
 
-git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
-
-# Specify your gem's dependencies in yardview.gemspec
 gemspec