Revert "Hwasan InitPrctl check for error using internal_iserror"

This reverts commit 1854594b80b444dc21b830b51e53e05d38fc7d60.
See https://reviews.llvm.org/D94425#2495621

GitOrigin-RevId: 704831fe1f1f02e41ab7440a6f6c2c390ec183b1
1 file changed