Revert "request"

This reverts commit 2fdc375bc3c90c1f5b735e12d497a076c6816355.
Revert "add IAP"

This reverts commit 0118fe7a398f529d0c749787e787fb08d55bb2ff.
Revert "prepare for IAP"

This reverts commit a995ad9f2d289753521e67b35e24f72f352c9037.