OpenSSL's c1669e1c205dc8e695fb0c10a655f434e758b9f7 switched it to
__ARM_MAX_ARCH__, which we mirrored in assembly but not C. The C version
should be __ARM_MAX_ARCH__ to match. However, __ARM_MAX_ARCH__ is
hardcoded to 8, so just remove the check.
Change-Id: Ic873203db1478f49437b889b84ee7fb28eba1a6d
Reviewed-on: https://boringssl-review.googlesource.com/c/35045
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>