Remove extra development dependencies

Author: AlexWayfer

Gemfile

@@ -5,15 +5,10 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in grape-swagger-representable.gemspec
 gemspec
 
-gem 'bundler'
 gem 'multi_json'
-gem 'pry' unless RUBY_PLATFORM.eql?('java') || RUBY_ENGINE.eql?('rbx')
 gem 'pry-byebug' unless RUBY_PLATFORM.eql?('java') || RUBY_ENGINE.eql?('rbx')
-gem 'rack-cors'
 gem 'rack-test'
 gem 'rake'
-gem 'redcarpet' unless RUBY_PLATFORM.eql?('java') || RUBY_ENGINE.eql?('rbx')
-gem 'rouge' unless RUBY_PLATFORM.eql?('java') || RUBY_ENGINE.eql?('rbx')
 gem 'rspec', '~> 3.0'
 gem 'rubocop', '~> 1.63.4'