eliminate dead code

Reference: /n/sources/patch/applied/dead
Date: Sun Sep  2 23:49:34 CES 2007
Signed-off-by: rsc@swtch.com

--- /sys/src/9/port/sysproc.c	Sun Sep  2 23:49:29 2007
+++ /sys/src/9/port/sysproc.c	Sun Sep  2 23:49:28 2007
@@ -622,14 +622,6 @@
 	return i;
 }
 
-long
-sysdeath(ulong*)
-{
-	pprint("deprecated system call\n");
-	pexit("Suicide", 0);
-	return 0;	/* not reached */
-}
-
 void
 werrstr(char *fmt, ...)
 {
--- /sys/src/9/port/sysfile.c	Sun Sep  2 23:49:31 2007
+++ /sys/src/9/port/sysfile.c	Sun Sep  2 23:49:30 2007
@@ -1350,9 +1350,3 @@
 	error("old fwstat system call - recompile");
 	return -1;
 }
-long
-syspassfd(ulong *)
-{
-	error("passfd unimplemented");
-	return -1;
-}