Allow cross-combinations of Intel Compiler + MPI

mpcdf_common.py

@@ -12,23 +12,6 @@ from xml.etree import ElementTree
 
 
 def valid_mpi(compiler, mpi):
-    """
-    It might be possible to use Intel MPI libararies and compilers from
-    different Parallel Studio packages, but I currently do not want to support
-    it.
-
-    Take care to keep this in sync with the file 'macros.obs_cluster' of
-    the package software:dist / mpcdf_cluster_macros
-    """
-    if compiler == "intel_18_0":
-        if mpi.startswith("impi"):
-            return mpi == "impi_2018_1"
-    if compiler == "intel_17_0":
-        if mpi.startswith("impi"):
-            return mpi == "impi_2017_3"
-    if compiler == "intel_16_0":
-        if mpi.startswith("impi"):
-            return mpi == "impi_5_1_3"
     return True