Auto merge of #27300 - jdm:no-ws-host, r=asajeffrey
Auto merge of #27300 - jdm:no-ws-host, r=asajeffrey

Remove explicit Host header from websocket connection.

This was a regression from #27164, and fixing it allows hubs.mozilla.com to work again.

KiChjang/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo