[backport] [backport#14678] [wallet] remove redundant KeyOriginInfo access, already done in CreateSig
b81a1860561ccbda3cd6913f54e49fdc91c7718c GetPubKey: make sigdata const (Gregory Sanders) f7beb95a1f921ed292680fbd2f042b4bac73bf59 remove redundant KeyOriginInfo access, already done in CreateSig (Gregory Sanders)
Pull request description:
This redundancy is confusing as it looks like pubkeyhashes are special in some way based on where it's called.
Backport of Core [[https://github.com/bitcoin/bitcoin/pull/14678 | PR14678]]
Test Plan: ninja check-all
Differential Revision: https://reviews.bitcoinabc.org/D6405