Update CCs for Rolf retirement

Author: wesbland

MPI_4.1_main_page.md

@@ -69,7 +69,7 @@ The following working groups are currently participating in the MPI 4.0 efforts.
 
 #### [Semantic Terms](https://github.com/mpiwg-semantic-terms/semantic-terms-issues)
 
-*   Lead: Purushotham Bangalore and Rolf Rabenseifner
+*   Lead: Purushotham Bangalore
 *   Scope: Review and update semantic terms used throughout the MPI Standard.
 
 #### [Sessions](https://github.com/mpiwg-sessions/sessions-issues/wiki)
@@ -115,25 +115,25 @@ In addition to the active working groups, several working groups exist that have
 
 | # | Chapter | Chair | Members |
 |:---:|---|---|---|
-| | Front Matter | Bill Gropp | Rolf Rabenseifner, Martin Schulz, Wes Bland |
-|1| Introduction | Bill Gropp | Rolf Rabenseifner, Martin Schulz |
-|2| MPI Terms and Conventions | Claudia Blaas-Schenner | Rolf Rabenseifner, Bill Gropp, Tony Skjellum, Puri Bangalore, Guillaume Mercier, Dan Holmes, Julien Jaeger |
+| | Front Matter | Bill Gropp | Martin Schulz, Wes Bland |
+|1| Introduction | Bill Gropp | Martin Schulz |
+|2| MPI Terms and Conventions | Claudia Blaas-Schenner | Bill Gropp, Tony Skjellum, Puri Bangalore, Guillaume Mercier, Dan Holmes, Julien Jaeger |
 |3| Point to Point Communcation| Dan Holmes | Ken Raffenetti, Ryan Grant, Bill Gropp, Brian Smith |
 |4| Partitioned Communication | Ryan Grant | Tony Skjellum, Puri Bangalore, Dan Holmes, Matthew Dosanjh |
 |5| Datatypes| George Bosilca | Bill Gropp, Martin Ruefenacht, Dan Holmes |
 |6| Collective Communication| Tony Skjellum | Torsten Höfler, Brian Smith, Martin Schulz, Julien Jaeger, Benson Buite |
 |7| Groups, Contexts, Communicators, Caching | Guillaume Mercier | Bill Gropp, Tony Skjellum, Pavan Balaji |
-|8| Process Topologies | Rolf Rabenseifner | Guillaume Mercier, Claudia Blaas-Schenner, Torsten Höfler, Tony Skjellum, Christoph Niethammer |
+|8| Process Topologies | Christoph Niethammer | Guillaume Mercier, Claudia Blaas-Schenner, Torsten Höfler, Tony Skjellum |
 |9| MPI Environmental Management | George Bosilca | Ken Raffenetti, Wes Bland, Thomas Naughton |
 |10| The Info Object | Martin Schulz | Ryan Grant, Guillaume Mercier, Wes Bland |
 |11| Process Creation and Mangement | Howard Pritchard | Ken Raffenetti, Dan Holmes, Martin Schulz, Thomas Naughton, Aurélien Bouteiller |
 |12| One-Sided Communication | Bill Gropp | Pavan Balaji, Joseph Schuchart, Nathan Hjelm, Artem Polyakov |
 |14| External Interfaces | Martin Schulz | Pavan Balaji, Brian Smith, Tony Skjellum |
 |14| I/O| Tony Skjellum | Quincey Koziol, Shinji Sumimoto |
 |15| Tool Support | Marc-Andre Hermanns | Martin Schulz, Kathryn Mohror, Bill Williams |
-|16| Deprecated Functions | Rolf Rabenseifner | Martin Schulz, Wes Bland |
-|17| Removed Interfaces | Rolf Rabenseifner | Martin Schulz, Wes Bland |
+|16| Deprecated Functions | Wes Bland | Martin Schulz|
+|17| Removed Interfaces | Wes Bland | Martin Schulz|
 |18| Backward Incompatibilities | Wes Bland | Martin Schulz |
-|19| Language Bindings | Puri Bangalore | Tony Skjellum, Rolf Rabenseifner, Victor Eijkhout |
-|A| Language Bindings Summary | Rolf Rabenseifner | Puri Bangalore, Tony Skjellum, Hubert Ritzdorf | 
-|B| Change-Log | Rolf Rabenseifner | Marc-André Hermanns, Hubert Ritzdorf | 
+|19| Language Bindings | Puri Bangalore | Tony Skjellum, Victor Eijkhout |
+|A| Language Bindings Summary | Puri Bangalore | Tony Skjellum, Hubert Ritzdorf | 
+|B| Change-Log | Tobias Haas | Marc-André Hermanns, Hubert Ritzdorf |