Remove all deprecation warnings in activeresource

Signed-off-by: José Valim <jose.valim@gmail.com>

activeresource/lib/active_resource/validations.rb

@@ -68,16 +68,8 @@ module ActiveResource
 
     # Validate a resource and save (POST) it to the remote web service.
     # If any local validations fail - the save (POST) will not be attempted.
-    def save_with_validation(options=nil)
-      perform_validation = case options
-        when Hash
-          options[:validate] != false
-        when NilClass
-          true
-        else
-          ActiveSupport::Deprecation.warn "save(#{options}) is deprecated, please give save(:validate => #{options}) instead", caller
-          options
-      end
+    def save_with_validation(options={})
+      perform_validation = options[:validate] != false
 
       # clear the remote validations so they don't interfere with the local
       # ones. Otherwise we get an endless loop and can never change the

activeresource/test/cases/validations_test.rb

@@ -36,14 +36,6 @@ class ValidationsTest < ActiveModel::TestCase
     assert p.save(:validate => false)
   end
 
-  def test_deprecated_save_without_validation
-    p = new_project(:name => nil)
-    assert !p.save
-    assert_deprecated do
-      assert p.save(false)
-    end
-  end
-
   def test_validate_callback
     # we have a callback ensuring the description is longer than three letters
     p = new_project(:description => 'a')