Do not translate Qemu specific terms

Multiqueue is the proper name as used by Qemu, as seen in
https://www.linux-kvm.org/page/Multiqueue

Signed-off-by: Emmanuel Kasper <e.kasper@proxmox.com>

www/manager6/qemu/HDEdit.js

@@ -238,7 +238,7 @@ Ext.define('PVE.qemu.HDInputPanel', {
 	{
 	    xtype: 'pvecheckbox',
 	    disabled: me.confid && !me.confid.match(/^(virtio|scsi)/),
-	    fieldLabel: gettext('IO thread'),
+	    fieldLabel: 'IO thread',
 	    reference: 'iothread',
 	    name: 'iothread'
 	});

www/manager6/qemu/NetworkEdit.js

@@ -151,7 +151,7 @@ Ext.define('PVE.qemu.NetworkInputPanel', {
 	    {
 		xtype: 'pveIntegerField',
 		name: 'queues',
-		fieldLabel: gettext('Multiqueues'),
+		fieldLabel: 'Multiqueue',
 		minValue: 1,
 		maxValue: 8,
 		value: '',