parisc: Drop useless comments in uapi/asm/signal.h

Signed-off-by: Helge Deller <deller@gmx.de>

arch/parisc/include/uapi/asm/signal.h

@@ -35,11 +35,11 @@
 #define SIGURG		29
 #define SIGXFSZ		30
 #define SIGUNUSED	31
-#define SIGSYS		31 /* Linux doesn't use this */
+#define SIGSYS		31
 
 /* These should not be considered constants from userland.  */
 #define SIGRTMIN	32
-#define SIGRTMAX	_NSIG /* it's 44 under HP/UX */
+#define SIGRTMAX	_NSIG
 
 /*
  * SA_FLAGS values: