Change support (removed) for coords and shape attributes of the a element  (#644)
Change support (removed) for coords and shape attributes of the a element  (#644)

* changing support for coords and shape attributes of the a element to false, and adding explainer note

* setting a coords and shape support for other browsers to false

chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data,mdn/browser-compat-data,teoli2003/browser-compat-data