sysctl: Remove links to library

sysctl doesn't use any symbols from the libprocps library so
this  update removes those dependencies.

Makefile.am

@@ -128,6 +128,7 @@ pmap_SOURCES = pmap.c lib/fileutils.c
 pwdx_SOURCES = pwdx.c lib/fileutils.c
 pwdx_LDADD=
 sysctl_SOURCES = sysctl.c lib/fileutils.c
+sysctl_LDADD=
 tload_SOURCES = tload.c lib/strutils.c lib/fileutils.c
 uptime_SOURCES = uptime.c lib/fileutils.c
 vmstat_SOURCES = vmstat.c lib/strutils.c lib/fileutils.c

sysctl.c

@@ -45,8 +45,6 @@
 #include "fileutils.h"
 #include "nls.h"
 #include "xalloc.h"
-#include "proc/procps.h"
-#include "proc/version.h"
 
 /*
  *    Globals...