Send self for aaShareBubblesDidHide delegate method

`-(void)aaShareBubblesDidHide:(AAShareBubbles *)shareBubbles {
    [UIView animateWithDuration:0.4 animations:^{shareBubbles.superview.alpha = 0.0;} completion:^(BOOL finished){ [shareBubbles.superview removeFromSuperview];}];    
}`