util: pci: Remove always-false condition

Commit d19c2142 modified the condition so that it checks whether the
value is more than 0xFFFFFFFF. Since addr->domain is an unsigned int, it
will never be more than that.

Remove the whole check

src/util/virpci.c:1291:22: error: result of comparison 'unsigned int' > 4294967295 is always false [-Werror,-Wtautological-type-limit-compare]
    if (addr->domain > 0xFFFFFFFF) {
        ~~~~~~~~~~~~ ^ ~~~~~~~~~~
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>

src/util/virpci.c

@@ -1288,14 +1288,6 @@ bool
 virPCIDeviceAddressIsValid(virPCIDeviceAddressPtr addr,
                            bool report)
 {
-    if (addr->domain > 0xFFFFFFFF) {
-        if (report)
-            virReportError(VIR_ERR_XML_ERROR,
-                           _("Invalid PCI address domain='0x%x', "
-                             "must be <= 0xFFFF"),
-                           addr->domain);
-        return false;
-    }
     if (addr->bus > 0xFF) {
         if (report)
             virReportError(VIR_ERR_XML_ERROR,