96b6dd468a4cb6077d1a2267d620d99d39aac7d0 Remove redundant pre-TopUpKeypool checks (Gregory Sanders)
Pull request description:
TopUpKeypool already has a quick check for `IsLocked()`
https://github.com/bitcoin/bitcoin/pull/16361/commits/96b6dd468a4cb6077d1a2267d620d99d39aac7d0
Backport of Core PR16361