message: doc: Remove TODO comment in tx_verify
diff: #include <consensus/tx_verify.h>
  +#include <chain.h>
  +#include <coins.h>
  #include <consensus/amount.h>
  #include <consensus/consensus.h>
  +#include <consensus/validation.h>
  #include <primitives/transaction.h>
  #include <script/interpreter.h>
  -#include <consensus/validation.h>
  -
  #include <kernel.h>
  #include <validation.h> // GetCoinAge()
  -// TODO remove the following dependencies
  -#include <chain.h>
  -#include <coins.h>
  #include <util/moneystr.h>
  bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime)
  