fix comment issues

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/sha512.c b/library/sha512.c
index 9f63cb9..a7b8c74 100644
--- a/library/sha512.c
+++ b/library/sha512.c
@@ -36,8 +36,7 @@
  */
 #define __ARM_FEATURE_SHA512 1
 #define NEED_TARGET_OPTIONS
-#endif /* __aarch64__ &&  !__ARM_FEATURE_SHA512 &&
-          __clang__ && __clang_major__ < 18 && __clang_major__ > 7 */
+#endif
 
 #include "common.h"