Merge bitcoin/bitcoin#22677: cut the validation <-> txmempool circular dependency 2/2

a64078e38563ef3ac5e5ec20c07569441c87eeee Break validation <-> txmempool circular dependency (glozow)
64e4963c635ec3a73a5fa3f32f6ec08e70609f60 [mempool] always assert coin spent (glozow)
bb9078ed51159fa162484f16993313ed6cf980e3 [refactor] put finality and maturity checking into a lambda (glozow)
bedf246f1e2497a3641093c6e8fa11fb34dddac4 [mempool] only update lockpoints for non-removed entries (glozow)
1b3a11e126b258fba975ed7c452221608f2c5472 MOVEONLY: TestLockPointValidity to txmempool (glozow)

Pull request description:

  Remove 2 circular dependencies: validation - txmempool and validation - policy/rbf - txmempool

  Validation should depend on txmempool (e.g. `CChainstateManager` has a mempool and we often need to know what's in our mempool to validate transactions), but txmempool is a data structure that shouldn't really need to know about chain state.

  - Changes `removeForReorg()` to be parameterized by a callable that returns true/false (i.e. whether the transaction should be removed due to being now immature or nonfinal) instead of a `CChainState`. The mempool really shouldn't need to know about coinbase maturity or lockpoints, it just needs to know which entries to remove.

ACKs for top commit:
  laanwj:
    Code review ACK a64078e38563ef3ac5e5ec20c07569441c87eeee
  mjdietzx:
    reACK a64078e38563ef3ac5e5ec20c07569441c87eeee
  theStack:
    re-ACK a64078e38563ef3ac5e5ec20c07569441c87eeee

Tree-SHA512: f75995200569c09dfb8ddc09729da66ddb32167ff1e8a7e72f105ec062d2d6a9a390e6b4a2a115e7ad8ad3525f891ee1503f3cd2bed11773abcaf7c3230b1136

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