Drop boost/preprocessor dependencies

Summary:

Use own macros instead of boost's ones.

Backport of core#21059.

Depends on D12901.

Test Plan:

ninja bench-bitcoin
arc lint --everything

Reviewers: #bitcoin_abc, PiRK

Reviewed By: #bitcoin_abc, PiRK

Differential Revision: https://reviews.bitcoinabc.org/D12902