[change] Touchable no default 'accessibilityRole'

src/components/Touchable/TouchableHighlight.js

@@ -31,7 +31,6 @@ var ensurePositiveDelayProps = require('./ensurePositiveDelayProps');
 type Event = Object;
 
 var DEFAULT_PROPS = {
-  accessibilityRole: 'button',
   activeOpacity: 0.85,
   underlayColor: 'black'
 };

src/components/Touchable/TouchableOpacity.js

@@ -65,7 +65,6 @@ var TouchableOpacity = React.createClass({
 
   getDefaultProps: function() {
     return {
-      accessibilityRole: 'button',
       activeOpacity: 0.2,
       focusedOpacity: 0.7
     };