delete directory and files related to Unicode version 11.0.0
this completes and closes feature #15321
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67174 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
delete directory and files related to Unicode version 11.0.0
this completes and closes feature #15321
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67174 b2dd03c8-39d4-4d8f-98ff-823fe69b080e