Removed redundant cancelBubbleEvent function
Removed redundant cancelBubbleEvent function

cancelBubbleEvent appears to be a polyfill for browsers that don't support Event.stopPropagation, but jQuery's stopPropagation already contains such a polyfill. In addition, cancelBubbleEvent didn't check for the availability of stopPropagation correctly.

UURAGE/ScenarioEditor,UURAGE/ScenarioEditor,UURAGE/ScenarioEditor,UURAGE/ScenarioEditor