Revert "Add -usbdevice tablet to KVM when using vnc"
Revert "Add -usbdevice tablet to KVM when using vnc"

This reverts commit 5b062a58ac76b39c2dc6a7e1543affdf43dc7ee7.
This fixes issue 109. The mouse type can be set with the usb_mouse
hv parameter.

Signed-off-by: Guido Trotter <f62ca4d5358bdaeef0e50e57f9f7e231de63727e@google.com>
Reviewed-by: Michael Hanselmann <68b67885ff74281219b4a4be33cc20fd45078d7c@google.com>

dimara/ganeti,mbakke/ganeti,apyrgio/ganeti,ganeti/ganeti,grnet/snf-ganeti,apyrgio/snf-ganeti,yiannist/ganeti,onponomarev/ganeti,leshchevds/ganeti,mbakke/ganeti,bitemyapp/ganeti,mbakke/ganeti,apyrgio/snf-ganeti,apyrgio/ganeti,ganeti-github-testing/ganeti-test-1,ganeti/ganeti,yiannist/ganeti,grnet/snf-ganeti,leshchevds/ganeti,ganeti-github-testing/ganeti-test-1,andir/ganeti,andir/ganeti,yiannist/ganeti,dimara/ganeti,ganeti/ganeti,onponomarev/ganeti,leshchevds/ganeti,andir/ganeti,bitemyapp/ganeti