[eCash dev libraries] [p16 ecash ops] Upgrade dependencies throughout

Summary:
T2847

Depends on D12882

Upgrade modules to use latest versions of patched dependencies. Remove travis.yml.

Test Plan:

cd ecash-minimaldata
npm test

unit tests pass

Reviewers: #bitcoin_abc, emack

Reviewed By: #bitcoin_abc, emack

Differential Revision: https://reviews.bitcoinabc.org/D12883