URL for Dartmouth group is different now

Author: mrmundt

_data/rse-groups.yml

@@ -93,7 +93,7 @@
   url: https://www.hpc.msstate.edu
 - institution: Dartmouth College
   name: Research Software Engineering
-  url: https://rc.dartmouth.edu/index.php/research-software-engineering/
+  url: https://rc.dartmouth.edu/research-software-engineering/
 - institution: University of Florida
   name: UFIT Research Computing
   url: https://www.rc.ufl.edu