qemu_cpu.cfg: there's no need for host-specific variants of default.vendor.nokvm.intel

The list of CPU models is the same on RHEL-6 and QEMU-1.3.
Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>

qemu/tests/cfg/qemu_cpu.cfg

@@ -46,11 +46,10 @@
                             cpu_models += " Opteron_G1 Opteron_G2"
                             cpu_models += " Opteron_G3 Opteron_G4"
                             cpu_models += " Opteron_G5"
-                            rhel64:
+                            variants:
+                                - qemu13:
+                                - rhel64:
                                     cpu_models += " cpu64-rhel6 cpu64-rhel5"
-                    variants:
-                        - qemu13:
-                        - rhel64:
         # CPUID data tests:
         - cpuid.custom:
             variants: