* string.c (sym_find): remove Symbol.find because we have Symbol GC now.
  https://bugs.ruby-lang.org/projects/ruby/wiki/DevelopersMeeting20140904Japan
  If you still want this, request again on Redmine. [Feature #7854]
  https://bugs.ruby-lang.org/issues/7854

* ext/-test-/symbol/init.c (sym_find): moved from string.c for tests.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47543 b2dd03c8-39d4-4d8f-98ff-823fe69b080e