Run rubocop lint with new rules

Author: tdooner

app/app/helpers/uswds_form_builder.rb

@@ -225,7 +225,6 @@ def us_class_for_field_type(field_type, width = nil)
     end
   end
 
-
   # Render the label, hint text, and error message for a form field
   def us_text_field_label(attribute, text = nil, options = {})
     hint_option = options.delete(:hint)