More sensible for for #503

I have no idea what you all were trying to do, but if this field
isn't required just remove the required attribute!

h/js/directives.coffee

@@ -61,7 +61,6 @@ markdown = ['$filter', '$timeout', ($filter, $timeout) ->
 
     # React to the changes to the text area
     input.bind 'blur change keyup', ->
-      attr.required = scope.realRequired
       ctrl.$setViewValue input[0].value
       scope.$digest()
 
@@ -71,10 +70,6 @@ markdown = ['$filter', '$timeout', ($filter, $timeout) ->
       ctrl.$render()
       unless readonly then $timeout -> input.focus()
 
-    # We save the required field, since it magically changes later on.
-    # No idea why this happens; until we find out, this is a workaround.
-    scope.realRequired = scope.required
-
   require: '?ngModel'
   restrict: 'E'
   scope: