[Cashtab] [chronik tx history p18] remove legacy tokenTx param
Summary:
T2447
Depends on D12146
Remove legacy tokenTx param and replace with new isEtokenTx
Test Plan:
Review unit test mods and npm test
npm start and confirm that sent/received etoken txs are still correctly rendered
Reviewers: #bitcoin_abc, emack
Reviewed By: #bitcoin_abc, emack
Differential Revision: https://reviews.bitcoinabc.org/D12147