T2802

Depends on D12679

Remove etoken: addresses from Receive screen. Remove all styling and React logic associated with multiple address types.

Note: The next diff in this stack will add a user note explaining that etokens may now be sent to ecash: addresses. We'll take the note down a few weeks after the change lands.

npm start
Navigate to the receive screen.
Copy address
Confirm it doesn't look too bad, given that it just needs to bridge before T2814 is carried out