Do not propagate hint_class wrapper option to the input

lib/simple_form/wrappers/root.rb

@@ -7,7 +7,7 @@ module SimpleForm
 
       def initialize(*args)
         super(:wrapper, *args)
-        @options = @defaults.except(:tag, :class, :error_class)
+        @options = @defaults.except(:tag, :class, :error_class, :hint_class)
       end
 
       def render(input)

test/form_builder/general_test.rb

@@ -287,7 +287,6 @@ class FormBuilderTest < ActionView::TestCase
     assert_select 'input.default_class#specific_id'
   end
 
-
   # WITHOUT OBJECT
   test 'builder should generate properly when object is not present' do
     with_form_for :project, :name