remove loadpath hack

bin/rumoji

 #!/usr/bin/env ruby
 #!/usr/bin/env ruby
 # -*- encoding: utf-8 -*-
 # -*- encoding: utf-8 -*-
 
 
-$: << File.expand_path(File.join(File.dirname(__FILE__), '..', 'lib'))
-
-require 'rubygems'
 require 'rumoji'
 require 'rumoji'
 
 
 if ARGV.first == 'encode'
 if ARGV.first == 'encode'