Gemfile in validation_matcher-3.2.0 vs Gemfile in validation_matcher-4.0.0

@@ -1,10 +1,6 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in validation_matcher.gemspec
-gemspec :development_group => :test
-
-group :development do
-  # install the appropriate pry debug tool
-  gem 'pry-byebug',   require: false, platform: 'ruby_20'
-  gem 'pry-debugger', require: false, platform: 'ruby_19'
-end
+gemspec development_group: :test