TBIO-4293: Revert "TBIO-4293: aria-hidden should be set as dom elements state change. role should be set when an element is created."
TBIO-4293: Revert "TBIO-4293: aria-hidden should be set as dom elements state change. role should be set when an element is created."

This reverts commit 161d6fe84321e17ff42679d69047ab9f4c71f4e1.

FernCreek/tinymce,TeamupCom/tinymce,tinymce/tinymce,FernCreek/tinymce,tinymce/tinymce,FernCreek/tinymce,TeamupCom/tinymce,tinymce/tinymce