remove less dependency

Author: yann marquet

twitter-bootstrap-rails.gemspec

@@ -20,13 +20,11 @@ Gem::Specification.new do |s|
 
   s.add_dependency 'railties', '>= 5.0', '< 8.0'
   s.add_dependency 'actionpack', '>= 5.0', '< 8.0'
-  s.add_dependency 'less-rails', '>= 3.0', '< 5.0'
 
   s.add_runtime_dependency 'execjs', '~> 2.7'
   s.add_development_dependency 'rails', '~> 5.0', '>= 5.0.1'
   s.add_development_dependency 'less', '~> 2.6'
   s.add_development_dependency 'therubyracer', '~> 0.12'
-
   s.post_install_message = "Important: You may need to add a javascript runtime to your Gemfile in order for bootstrap's LESS files to compile to CSS. \n\n" \
   "**********************************************\n\n" \
   "ExecJS supports these runtimes:\n\n" \