Return clipping (overflow) to original clipping before {@link #clip} was called
@return {Ext.dom.Element} this
function() {
        var me = this,
            data = (me.$cache || me.getCache()).data,
            clip;

        if (data[ISCLIPPED]) {
            data[ISCLIPPED] = false;
            clip = data[ORIGINALCLIP];
            if (clip.o) {
                me.setStyle(OVERFLOW, clip.o);
            }
            if (clip.x) {
                me.setStyle(OVERFLOWX, clip.x);
            }
            if (clip.y) {
                me.setStyle(OVERFLOWY, clip.y);
            }
        }
        return me;
    }