removing intro from superview on completion, callback code cleanup
removing intro from superview on completion, callback code cleanup

puvanarajan/EAIntroView,ealeksandrov/EAIntroView,melvinmt/EAIntroView,puvanarajan/EAIntroView,Mossuru777/EAIntroView,jingchunYuan/EAIntroView,aixiaoxianggithub/EAIntroView,Woildan/EAIntroView,GaoZhenWei/EAIntroView,Instamotor-Labs/EAIntroView,aixiaoxianggithub/EAIntroView,jingchunYuan/EAIntroView,lukas2/EAIntroView,Instamotor-Labs/EAIntroView,Mossuru777/EAIntroView,aixiaoxianggithub/EAIntroView,MoMoWan/EAIntroView,melvinmt/EAIntroView,lukas2/EAIntroView,melvinmt/EAIntroView,Mossuru777/EAIntroView,lukas2/EAIntroView,Woildan/EAIntroView,Mossuru777/EAIntroView,Instamotor-Labs/EAIntroView,jingchunYuan/EAIntroView,puvanarajan/EAIntroView,Woildan/EAIntroView,GaoZhenWei/EAIntroView,MoMoWan/EAIntroView,Woildan/EAIntroView,aixiaoxianggithub/EAIntroView,MoMoWan/EAIntroView,jingchunYuan/EAIntroView,GaoZhenWei/EAIntroView,Instamotor-Labs/EAIntroView,melvinmt/EAIntroView