hsbt 7d9109f800 Removed needless date attribute from gemspec of default gems.
They are assigned automatically when pushing gem file to rubygems.org.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64213 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-08-07 12:02:10 +00:00
..