chore: remove dead code

[kaladinlight]

Description

Some early spring cleaning to remove dead code and any local import refs to dist/src.

Issue (if applicable)

N/A

Risk

High Risk PRs Require 2 approvals

Low

What protocols, transaction types, wallets or contract interactions might be affected by this PR?

Testing

• Web should still build
• Brief spot check of app for extra confidence if desired

Engineering

☝️

Operations

• 🏁 My feature is behind a flag and doesn't require operations testing (yet)

☝️

Screenshots (if applicable)

[0xApotheosis]

Love me a good Spring clean, thank you big Kev.

✅ Runtime check confirms everything is still happy.
✅ CI is happy and green