[Fix #7042] Remove post install message for RuboCop Performance

Closes #7042. Since a migration period to extract RuboCop Performance is over, this PR removes post install message.
rubocop · May 15, 2019 · ed3b9c8 · ed3b9c8
1 parent 98ad15f
commit ed3b9c8
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/rubocop.gemspec b/rubocop.gemspec
@@ -42,6 +42,4 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency('bundler', '>= 1.15.0', '< 3.0')
   s.add_development_dependency('rack', '>= 2.0')
-
-  s.post_install_message = File.read('manual/migrate_performance_cops.md')
 end