def removeElementFromPixelListFromPoint(element, pixelDictionary, point):
 stepKey = getStepKeyFromPoint(point)
 removeElementFromListTable(element, stepKey, pixelDictionary)

def removeElementFromPixelListFromPoint ( element , pixelDictionary , point ) : stepKey = getStepKeyFromPoint ( point ) removeElementFromListTable ( element , stepKey , pixelDictionary )
remove an element from the pixel list .