https://www.jianshu.com/p/a49d59b01669
https://www.cnblogs.com/wlffly/p/7016563.html
https://blog.csdn.net/a690197843/article/details/70241829
http://www.infoq.com/cn/articles/ios-thinning-delete-unnecessary-mach-o?utm_source=tuicool&utm_medium=referral
http://www.zoomfeng.com/blog/ipa-size-thin.html