[cashtab] Don't display token type (SLP, ALP, etc.) in tx history

Summary:
This is a wallet, users don't care (and shouldn't care) about the technology behind the scene.
The information is already available on the token page for the curious.

Test Plan:

npm run test
npm run start

Reviewers: #bitcoin_abc, bytesofman

Reviewed By: #bitcoin_abc, bytesofman

Subscribers: bytesofman

Differential Revision: https://reviews.bitcoinabc.org/D17458