[Cashtab] [Simplify wallet structure p8] Remove debug logging

Summary:
T2663

Depends on D12661

Remove debug logging to complete wallet structure streamline

Test Plan:
npm start
Inspect indexedDb to confirm active wallet matches desired pattern
Switch wallets a lot. Active wallet should always match desired pattern on load. SavedWallet should match desired pattern after active wallet is switched off again.
Try to break it by switching wallets a lot.
Confirm indexedDb wallets match desired pattern

Reviewers: #bitcoin_abc, kieran709

Reviewed By: #bitcoin_abc, kieran709

Differential Revision: https://reviews.bitcoinabc.org/D12662