parisc: Remove SA_RESTORER define

The sa_restorer field in struct sigaction is obsolete and no longer in
the parisc implementation.  However, the core code assumes the field is
present if SA_RESTORER is defined. So, the define needs to be removed.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Helge Deller <deller@gmx.de>

(cherry picked from commit 20dbea49)
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

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

@@ -69,8 +69,6 @@
 #define SA_NOMASK	SA_NODEFER
 #define SA_ONESHOT	SA_RESETHAND
 
-#define SA_RESTORER	0x04000000 /* obsolete -- ignored */
-
 #define MINSIGSTKSZ	2048
 #define SIGSTKSZ	8192