Interactivity API: Skip binding event handler attributes. The corresponding `data-wp-on--` attribute should be used instead.

Props luisherranz, peterwilsoncc, johnbillion, ocean90, jorbin, xknown.


git-svn-id: https://develop.svn.wordpress.org/trunk@61885 602fd350-edb4-49c9-b593-d223f7449a82