Update env_irene-skl

specfem3d/env/env_irene-skl

 #!/bin/bash
 
-#module purge
+module purge
 module load ccc datadir/cines datadir/own dfldatadir/own flavor/buildtarget/x86_64 intel/19.0.0.117 hwloc/1.11.3 mpi/openmpi/2.0.4
 
 export machine=irene-skl