Revert "virNetDevSupportBandwidth: Enable QoS for vhostuser"

https://bugzilla.redhat.com/show_bug.cgi?id=1497410

This reverts commit bc8a99ef.

The vhostuser is not a TAP. Therefore our QoS code is not able to
set any bandwidth. I don't really understand what I was thinking.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

src/conf/netdev_bandwidth_conf.h

@@ -46,9 +46,9 @@ static inline bool virNetDevSupportBandwidth(virDomainNetType type)
     case VIR_DOMAIN_NET_TYPE_NETWORK:
     case VIR_DOMAIN_NET_TYPE_DIRECT:
     case VIR_DOMAIN_NET_TYPE_ETHERNET:
-    case VIR_DOMAIN_NET_TYPE_VHOSTUSER:
         return true;
     case VIR_DOMAIN_NET_TYPE_USER:
+    case VIR_DOMAIN_NET_TYPE_VHOSTUSER:
     case VIR_DOMAIN_NET_TYPE_SERVER:
     case VIR_DOMAIN_NET_TYPE_CLIENT:
     case VIR_DOMAIN_NET_TYPE_MCAST: