gzip.rb in activesupport-3.1.0.beta1

- old
+ new

@@ -1,7 +1,6 @@
 require 'zlib'
 require 'stringio'
-require 'active_support/core_ext/string/encoding'
 
 module ActiveSupport
   # A convenient wrapper for the zlib standard library that allows compression/decompression of strings with gzip.
   module Gzip
     class Stream < StringIO