[Patch] Remove unnecessary assignment in pctr.c

[Nan Xiao]

Hi tech@

Remove unnecessary assignment. Thanks!

Best Regards
Nan Xiao

Index: pctr.c
===================================================================
RCS file: /cvs/src/usr.bin/pctr/pctr.c,v
retrieving revision 1.23
diff -u -p -r1.23 pctr.c
--- pctr.c      10 Sep 2017 11:30:43 -0000      1.23
+++ pctr.c      11 Sep 2017 03:21:21 -0000
@@ -190,7 +190,6 @@ pctr_cpu_creds(void)
                err(1, "CPU_CPUFEATURE");

        /* Get the processor vendor */
-       mib[0] = CTL_MACHDEP;
        mib[1] = CPU_CPUVENDOR;
        len = sizeof(vendor);
        if (sysctl(mib, 2, vendor, &len, NULL, 0) == -1)