Due to SME currently being disabled when removing the SF8MMx support it
wasn't noticed that there were some stray references in the hwcap table,
delete them.
Fixes: 819935464c ("arm64/hwcap: Describe 2024 dpISA extensions to userspace")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20250203-arm64-remove-sf8mmx-v1-1-6f1da3dbff82@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>