Remove sysctl kern.ps_argsopen, it is not very useful, one should use

security.bsd.see_other_uids instead.

Discussed with:	phk, rwatson

sys/kern/kern_exec.c

@@ -95,9 +95,6 @@ u_long ps_arg_cache_limit = PAGE_SIZE / 16;
 SYSCTL_ULONG(_kern, OID_AUTO, ps_arg_cache_limit, CTLFLAG_RW, 
     &ps_arg_cache_limit, 0, "");
 
-int ps_argsopen = 1;
-SYSCTL_INT(_kern, OID_AUTO, ps_argsopen, CTLFLAG_RW, &ps_argsopen, 0, "");
-
 static int
 sysctl_kern_ps_strings(SYSCTL_HANDLER_ARGS)
 {

sys/sys/proc.h

@@ -806,7 +806,6 @@ extern int hogticks;			/* Limit on kernel cpu hogs. */
 extern int nprocs, maxproc;		/* Current and max number of procs. */
 extern int maxprocperuid;		/* Max procs per uid. */
 extern u_long ps_arg_cache_limit;
-extern int ps_argsopen;
 extern int sched_quantum;		/* Scheduling quantum in ticks. */
 
 LIST_HEAD(proclist, proc);