[e.cash] Remove abcpay from wallets list

Summary: We can look at this again if and when chronik migration is finished. At the moment, the token burn possibility means this can't be on the landing page.

Test Plan: preview and confirm not on wallets page

Reviewers: #bitcoin_abc, Mengerian

Reviewed By: #bitcoin_abc, Mengerian

Differential Revision: https://reviews.bitcoinabc.org/D17425