Remove Ruby 1.9 compatibility code that is never used.
Remove Ruby 1.9 compatibility code that is never used.

* subversion/bindings/swig/ruby/svn/util.rb
  (Kernel:__send!): Remove.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion