[#2975] Removing duplicate note

Author: weaverryan

reference/forms/types/date.rst

@@ -114,13 +114,6 @@ Alternatively, you can specify a string to be displayed for the "blank" value::
 
 .. include:: /reference/forms/types/options/date_format.rst.inc
 
-.. note::
-
-    If you want your field to be rendered as a HTML5 date field, you have to use
-    a ``single_text`` widget and the ``yyyy-MM-dd`` format (the `RFC 3339`_ format)
-    which is the default format if you use the ``single_text`` widget and don't
-    specify any other format.
-
 .. include:: /reference/forms/types/options/data_timezone.rst.inc
 
 .. include:: /reference/forms/types/options/user_timezone.rst.inc