Rule: Unsupported and deprecated ARIA attributes.

Rule ID	Widget 14
Conformance	Required
Definition	ARIA attributes that are unsupported or deprecated for a role should be removed.
Purpose	Not all ARIA properties and states are useful on every ARIA role and starting with ARIA 1.2 certain states and properties that were once considered global have been deprecated on specific roles. The ARIA in HTML specification defines implicit roles for most HTML elememnts. The same ARIA property and state restrictions on explicit roles apply to implicit roles.
Conformance	Required
WCAG Success Criteria	Success Criterion 4.1.1 Parsing Other Related Success Criterion: Success Criterion 4.1.2 Name, Role, Value
Rule Category	ARIA Widgets
Rule Scope	Element
Techniques	Remove the unsupported or deprecated ARIA attribute from the element.
Information Links	Accessible Rich Internet Applications (WAI-ARIA) 1.2 Specification: Widget Roles ARIA in HTML G108: Using markup features to expose the name and role, allow user-settable properties to be directly set, and provide notification of changes ARIA Authoring Practices