Pull out Array#to_strings in favor of more general Symbol#to_proc.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3119 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/CHANGELOG

@@ -2,8 +2,6 @@
 
 * Add Symbol#to_proc, which allows for, e.g. [:foo, :bar].map(&:to_s). [Marcel Molina Jr.]
 
-* Add Array#to_strings which to_s's all elements in an array. [Marcel Molina Jr., Sam Stephenson]
-
 * Added the following methods [Marcel Molina Jr., Sam Stephenson]:
   * Object#copy_instance_variables_from(object) to copy instance variables from one object to another 
   * Object#extended_by to get an instance's included/extended modules

activesupport/lib/active_support/core_ext/array/conversions.rb

@@ -25,9 +25,6 @@ module ActiveSupport #:nodoc:
           join '/'
         end
         
-        def to_strings
-          map { |element| element.to_s }
-        end
       end
     end
   end

activesupport/test/core_ext/array_ext_test.rb

@@ -33,8 +33,4 @@ class ArrayExtConversionTests < Test::Unit::TestCase
   def test_one_element
     assert_equal "one", ['one'].to_sentence
   end
-  
-  def test_to_strings
-    assert_equal %w(one two three), [:one, :two, :three].to_strings
-  end
 end