Revert "* [ios] use viewController as pageName"
Revert "* [ios] use viewController as pageName"

This reverts commit 63dc11407aa6d1f2e766d14e1f1ffe6c008c33a6.

xiayun200825/weex,Hanks10100/incubator-weex,acton393/incubator-weex,erha19/incubator-weex,acton393/incubator-weex,xiayun200825/weex,leoward/incubator-weex,miomin/incubator-weex,alibaba/weex,leoward/incubator-weex,alibaba/weex,KalicyZhou/incubator-weex,miomin/incubator-weex,KalicyZhou/incubator-weex,MrRaindrop/incubator-weex,miomin/incubator-weex,KalicyZhou/incubator-weex,cxfeng1/incubator-weex,miomin/incubator-weex,alibaba/weex,KalicyZhou/incubator-weex,leoward/incubator-weex,erha19/incubator-weex,erha19/incubator-weex,Hanks10100/incubator-weex,erha19/incubator-weex,xiayun200825/weex,acton393/incubator-weex,alibaba/weex,miomin/incubator-weex,alibaba/weex,xiayun200825/weex,leoward/incubator-weex,Hanks10100/incubator-weex,acton393/incubator-weex,xiayun200825/weex,alibaba/weex,acton393/incubator-weex,leoward/incubator-weex,erha19/incubator-weex,alibaba/weex,MrRaindrop/incubator-weex,miomin/incubator-weex,Hanks10100/incubator-weex,erha19/incubator-weex,MrRaindrop/incubator-weex,Hanks10100/incubator-weex,MrRaindrop/incubator-weex,cxfeng1/incubator-weex,cxfeng1/incubator-weex,MrRaindrop/incubator-weex,cxfeng1/incubator-weex,miomin/incubator-weex,acton393/incubator-weex,KalicyZhou/incubator-weex,Hanks10100/incubator-weex,Hanks10100/incubator-weex,acton393/incubator-weex,xiayun200825/weex,Hanks10100/incubator-weex,erha19/incubator-weex,KalicyZhou/incubator-weex,leoward/incubator-weex,erha19/incubator-weex,cxfeng1/incubator-weex,miomin/incubator-weex,acton393/incubator-weex,cxfeng1/incubator-weex,MrRaindrop/incubator-weex