libfscrypt: drop a local UAPI definition

Now that Bionic's copy of <linux/fscrypt.h> has been updated, there's no
need to define FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32 locally.

Test: build
Change-Id: I472f3f75ec14f994685dd65b75ca5c3f271c0aa6
1 file changed