Fix make check on RHEL-5

The test for <vcpu> element is unrelated to vnc so the easiest fix is to
remove related configuration.

tests/xmconfigdata/test-paravirt-vcpu.cfg

@@ -8,10 +8,5 @@ bootloader = "/usr/bin/pygrub"
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-sdl = 0
-vnc = 1
-vncunused = 1
-vnclisten = "127.0.0.1"
-vncpasswd = "123poi"
 disk = [ "phy:/dev/HostVG/XenGuest1,xvda,w" ]
 vif = [ "mac=00:16:3e:66:94:9c,bridge=br0,script=vif-bridge" ]

tests/xmconfigdata/test-paravirt-vcpu.xml

@@ -26,7 +26,5 @@
     <console type='pty'>
       <target type='xen' port='0'/>
     </console>
-    <input type='mouse' bus='xen'/>
-    <graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1' passwd='123poi'/>
   </devices>
 </domain>