CI: Use system paths with modern... [ci skip]

cmake-config

@@ -251,7 +251,7 @@ then
 #    MODERN_ARG="-D TPL_ENABLE_HDF5:BOOL=ON -D Netcdf_ALLOW_MODERN:BOOL=ON"
     MODERN_ARG="-D Netcdf_FORCE_MODERN:BOOL=ON"
 else
-    MODERN_ARG=""
+    MODERN_ARG="-D HDF5_NO_SYSTEM_PATHS=YES"
 fi
 
 GENERATOR=${GENERATOR:-"Unix Makefiles"}
@@ -528,7 +528,6 @@ ${FAODEL_SYMBOLS} \
 -D MPI_BIN_DIR:PATH=${MPI_BIN} \
 -D NetCDF_ROOT:PATH=${NETCDF_PATH} \
 -D HDF5_ROOT:PATH=${HDF5_PATH} \
--D HDF5_NO_SYSTEM_PATHS=YES \
 -D CGNS_ROOT:PATH=${CGNS_PATH} \
 -D Matio_ROOT:PATH=${MATIO_PATH} \
 -D Metis_ROOT:PATH=${METIS_PATH} \