alpha: Remove set but unused variables.

This is a new warning in gcc 4.6.  Several of these variables are
used within #if 0 code, which probably ought to be removed.  Most
of the changes are legitimate cleanups.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/alpha/kernel/err_titan.c b/arch/alpha/kernel/err_titan.c
index c3b3781..14b26c4 100644
--- a/arch/alpha/kernel/err_titan.c
+++ b/arch/alpha/kernel/err_titan.c
@@ -533,8 +533,6 @@
 static struct el_subpacket *
 el_process_regatta_subpacket(struct el_subpacket *header)
 {
-	int status;
-
 	if (header->class != EL_CLASS__REGATTA_FAMILY) {
 		printk("%s  ** Unexpected header CLASS %d TYPE %d, aborting\n",
 		       err_print_prefix,
@@ -551,7 +549,7 @@
 		printk("%s  ** Occurred on CPU %d:\n", 
 		       err_print_prefix,
 		       (int)header->by_type.regatta_frame.cpuid);
-		status = privateer_process_logout_frame((struct el_common *)
+		privateer_process_logout_frame((struct el_common *)
 			header->by_type.regatta_frame.data_start, 1);
 		break;
 	default: