Merge branch E3SM-Project/ndk/machinefiles/perlmutter-remove-PERL5LIB-env (PR #8544)

Remove PERL5LIB from Perlmutter

Author: ndkeen

cime_config/machines/config_machines.xml

@@ -272,7 +272,6 @@
       <env name="MPICH_VERSION_DISPLAY">1</env>
       <env name="MPICH_MPIIO_DVS_MAXNODES">1</env>
       <env name="HDF5_USE_FILE_LOCKING">FALSE</env>
-      <env name="PERL5LIB">/global/cfs/cdirs/e3sm/perl/lib/perl5-only-switch</env>
       <env name="FI_MR_CACHE_MONITOR">kdreg2</env>
       <env name="MPICH_COLL_SYNC">MPI_Bcast</env>
       <env name="NETCDF_PATH">$ENV{CRAY_NETCDF_HDF5PARALLEL_PREFIX}</env>
@@ -508,7 +507,6 @@
       <env name="MPICH_VERSION_DISPLAY">1</env>
       <env name="MPICH_MPIIO_DVS_MAXNODES">1</env>
       <env name="HDF5_USE_FILE_LOCKING">FALSE</env>
-      <env name="PERL5LIB">/global/cfs/cdirs/e3sm/perl/lib/perl5-only-switch</env>
       <env name="FI_MR_CACHE_MONITOR">kdreg2</env>
       <env name="MPICH_COLL_SYNC">MPI_Bcast</env>
       <env name="NETCDF_PATH">$ENV{CRAY_NETCDF_HDF5PARALLEL_PREFIX}</env>
@@ -697,7 +695,6 @@
       <env name="MPICH_VERSION_DISPLAY">1</env>
       <env name="MPICH_MPIIO_DVS_MAXNODES">1</env>
       <env name="HDF5_USE_FILE_LOCKING">FALSE</env>
-      <env name="PERL5LIB">/global/cfs/cdirs/e3sm/perl/lib/perl5-only-switch</env>
       <env name="FI_MR_CACHE_MONITOR">kdreg2</env>
       <env name="MPICH_COLL_SYNC">MPI_Bcast</env>
       <env name="NETCDF_PATH">$ENV{CRAY_NETCDF_HDF5PARALLEL_PREFIX}</env>
@@ -930,7 +927,6 @@
       <env name="MPICH_VERSION_DISPLAY">1</env>
       <env name="MPICH_MPIIO_DVS_MAXNODES">1</env>
       <env name="HDF5_USE_FILE_LOCKING">FALSE</env>
-      <env name="PERL5LIB">/global/cfs/cdirs/e3sm/perl/lib/perl5-only-switch</env>
       <env name="FI_MR_CACHE_MONITOR">kdreg2</env>
       <env name="MPICH_COLL_SYNC">MPI_Bcast</env>
       <env name="NETCDF_PATH">$ENV{CRAY_NETCDF_HDF5PARALLEL_PREFIX}</env>
@@ -1116,7 +1112,6 @@
       <env name="MPICH_VERSION_DISPLAY">1</env>
       <env name="MPICH_MPIIO_DVS_MAXNODES">1</env>
       <env name="HDF5_USE_FILE_LOCKING">FALSE</env>
-      <env name="PERL5LIB">/global/cfs/cdirs/e3sm/perl/lib/perl5-only-switch</env>
       <env name="FI_MR_CACHE_MONITOR">kdreg2</env>
       <env name="MPICH_COLL_SYNC">MPI_Bcast</env>
       <env name="NETCDF_PATH">$ENV{CRAY_NETCDF_HDF5PARALLEL_PREFIX}</env>
@@ -1349,7 +1344,6 @@
       <env name="MPICH_VERSION_DISPLAY">1</env>
       <env name="MPICH_MPIIO_DVS_MAXNODES">1</env>
       <env name="HDF5_USE_FILE_LOCKING">FALSE</env>
-      <env name="PERL5LIB">/global/cfs/cdirs/e3sm/perl/lib/perl5-only-switch</env>
       <env name="FI_MR_CACHE_MONITOR">kdreg2</env>
       <env name="MPICH_COLL_SYNC">MPI_Bcast</env>
       <env name="NETCDF_PATH">$ENV{CRAY_NETCDF_HDF5PARALLEL_PREFIX}</env>