chore: drop rest-client dependency

Author: jay7x

puppet-blacksmith.gemspec

@@ -18,7 +18,6 @@ Gem::Specification.new do |s|
 
   s.add_dependency 'base64', '>= 0.2', '< 0.4'
   s.add_dependency 'puppet-modulebuilder', '~> 2.0', '>= 2.0.2'
-  s.add_dependency 'rest-client', '~>2.0'
   s.add_development_dependency 'aruba', '~> 2.1'
   s.add_development_dependency 'cucumber', '>= 9', '< 11'
   s.add_development_dependency 'rake', '~> 13.0', '>= 13.0.6'