remove useless assert

fixes #13402

diff --git a/include/deal.II/base/mpi.h b/include/deal.II/base/mpi.h
index 19d6f93b5af15ffdaf6d9efc51eb0a048095ea02..2a42571c7cd44924d6b197cb88db873eb8176043 100644 (file)
--- a/include/deal.II/base/mpi.h
+++ b/include/deal.II/base/mpi.h
@@ -1807,9 +1807,6 @@ namespace Utilities
       (void)root;
       (void)comm;
 #  else
-      Assert(count >= 0,
-             ExcMessage(
-               "The number of objects you want to send cannot be negative."));
       Assert(root < n_mpi_processes(comm),
              ExcMessage("Invalid root rank specified."));