conf: cpupin: Remove useless checking of vcpupin element count

The check doesn't make much sense as right below it the entries are
either checked for duplicity or ignored in some cases. Having this check
doesn't actually forbid passing invalid values.

src/conf/domain_conf.c

@@ -11993,12 +11993,6 @@ virDomainDefParseXML(xmlDocPtr xml,
     if (n && VIR_ALLOC_N(def->cputune.vcpupin, n) < 0)
         goto error;
 
-    if (n > def->maxvcpus) {
-        virReportError(VIR_ERR_INTERNAL_ERROR,
-                       "%s", _("vcpupin nodes must be less than maxvcpus"));
-        goto error;
-    }
-
     for (i = 0; i < n; i++) {
         virDomainVcpuPinDefPtr vcpupin = NULL;
         vcpupin = virDomainVcpuPinDefParseXML(nodes[i], ctxt, def->maxvcpus, 0);