Disable sound for KVM guest

[Gordon Messmer]

Bill Davidsen wrote:
> Which tool do you use to create the XML? I'll take a look, but I have 
> been starting my stuff mostly from command line. Leaving off -soundhw 
> seems to do the job.

I used virt-manager to create the VM.  The configuration file is 
/etc/libvirt/qemu/TestCentOS.xml.  The guess will take over the sound 
device regardless of whether I start the VM from virt-manager or virsh.