Remove freezing as it breaks Devise (see #41)

If you care about having objects frozen after calling destroy/delete, then please call freeze on that object manually.

lib/paranoia.rb

@@ -21,7 +21,6 @@ module Paranoia
 
   def delete
     update_attribute_or_column(:deleted_at, Time.now) if !deleted? && persisted?
-    freeze
   end
 
   def restore!

test/paranoia_test.rb

@@ -54,7 +54,6 @@ class ParanoiaTest < Test::Unit::TestCase
     model.destroy
 
     assert_equal true, model.deleted_at.nil?
-    assert model.frozen?
 
     assert_equal 0, model.class.count
     assert_equal 0, model.class.unscoped.count
@@ -68,7 +67,6 @@ class ParanoiaTest < Test::Unit::TestCase
     model.destroy
 
     assert_equal false, model.deleted_at.nil?
-    assert model.frozen?
 
     assert_equal 0, model.class.count
     assert_equal 1, model.class.unscoped.count