Merge pull request solidusio#130 from jtapia/chore/fix_rubygems_deprecation

Fix deprecation warning for #has_rdoc

Author: coorasse

solidus_i18n.gemspec

@@ -21,8 +21,6 @@ Gem::Specification.new do |s|
   s.require_path = 'lib'
   s.requirements << 'none'
 
-  s.has_rdoc = false
-
   s.add_runtime_dependency 'solidus_core', ['>= 1.1', '< 3']
 
   s.add_development_dependency 'pry-rails', '>= 0.3.0'