static/ext/src/draw/Sprite.js
function() {
        var me = this;
        if (me.fireEvent('beforedestroy', me) !== false) {
            me.remove();
            me.surface.onDestroy(me);
            me.clearListeners();
            me.fireEvent('destroy');
        }
    }
function() {
        var me = this;
        if (me.fireEvent('beforedestroy', me) !== false) {
            me.remove();
            me.surface.onDestroy(me);
            me.clearListeners();
            me.fireEvent('destroy');
        }
    }
Removes the sprite and clears all listeners.