lib/crypto: arm, arm64: Drop filenames from file comments

lib/crypto: arm, arm64: Drop filenames from file comments

Remove self-references to filenames from assembly files in
lib/crypto/arm/ and lib/crypto/arm64/.  This follows the recommended
practice and eliminates an outdated reference to sha2-ce-core.S.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251102014809.170713-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>