message: fix misleading comment about call to non-existing function
diff: @@ -1186,9 +1186,8 @@ void CWallet::transactionRemovedFromMempool(const CTransactionRef& tx, MemPoolRe
  // Handle transactions that were removed from the mempool because they
  // conflict with transactions in a newly connected block.
  if (reason == MemPoolRemovalReason::CONFLICT) {
  - // Call SyncNotifications, so external -walletnotify notifications will
  - // be triggered for these transactions. Set Status::UNCONFIRMED instead
  - // of Status::CONFLICTED for a few reasons:
  + // Trigger external -walletnotify notifications for these transactions.
  + // Set Status::UNCONFIRMED instead of Status::CONFLICTED for a few reasons:
  //
  // 1. The transactionRemovedFromMempool callback does not currently
  // provide the conflicting block's hash and height, and for backwards
  