Gemfile in key_tree-0.6.1 vs Gemfile in key_tree-0.7.0

@@ -2,13 +2,7 @@
 
 source 'https://rubygems.org'
 
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
-begin
-  require 'git-version-bump'
-rescue LoadError
-  gem 'git-version-bump', '~> 0.15'
-else
-  # Specify your gem's dependencies in key_tree.gemspec
-  gemspec
-end
+# Specify your gem's dependencies in key_tree.gemspec
+gemspec