thread.c: remove unnecessary sentence
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39485 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
thread.c: remove unnecessary sentence
Thread.start and Thread.fork.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39485 b2dd03c8-39d4-4d8f-98ff-823fe69b080e