Update gpi2.md

docs.it4i/software/viz/gpi2.md

@@ -8,12 +8,10 @@ The GPI-2 library implements the GASPI specification ([Global Address Space Prog
 
 ## Modules
 
-The GPI-2 version 1.0.2 is available on Anselm via the `gpi2` module:
+For the current list of installed versions, use:
 
 ```console
-$ ml gpi2
-
-$ ml av GPI-2   # Salomon
+$ ml av GPI-2
 ```
 
 The module sets up environment variables required for linking and running GPI-2 enabled applications. This particular command loads the default `gpi2/1.0.2` module.