add vecToRemoveFromMempool to txsToRemove before block creation
add vecToRemoveFromMempool to txsToRemove before block creation


Former-commit-id: 19dc903af4631aacedbd89bcd1a8b7c24f198061
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin