Upgrade Rails to 5.2

Yuma Soga · Yuma Soga · commit 29f50150c1b4 · 2018-06-30T15:42:28.000+09:00
diff --git a/config/application.rb b/config/application.rb
@@ -10,8 +10,6 @@ module Workspace
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
     config.load_defaults 5.1
-    
-    # config.time_zone = 'Tokyo'
 
     # Settings in config/environments/* take precedence over those specified here.
     # Application configuration can go into files in config/initializers
