Cleanup med.log file

Some of the things printed to the med.log file have little or no value and should be removed. For example:
```

(module_med_map: med_map_routehandles_initfrom_field) creating RH redist for atm to lnd srcMask = -987987 dstMask = -987987
(module_med_map: med_map_routehandles_initfrom_field) creating RH patch_uv3d for atm to ocn srcMask = -987987 dstMask = 0
(module_med_map: med_map_routehandles_initfrom_field) creating RH bilnr for atm to ocn srcMask = -987987 dstMask = 0
(module_med_map: med_map_routehandles_initfrom_field) creating RH consf for atm to ocn srcMask = -987987 dstMask = 0
(module_med_map: med_map_routehandles_initfrom_field) creating RH patch_uv3d for atm to ice srcMask = -987987 dstMask = 0
(module_med_map: med_map_routehandles_initfrom_field) creating RH bilnr for atm to ice srcMask = -987987 dstMask = 0
(module_med_map: med_map_routehandles_initfrom_field) creating RH consf for atm to ice srcMask = -987987 dstMask = 0
(module_med_map: med_map_routehandles_initfrom_field) creating RH redist for lnd to atm srcMask = -987987 dstMask = -987987
(module_med_map: med_map_routehandles_initfrom_field) creating RH consf for lnd to rof srcMask = -987987 dstMask = -987987
(module_med_map: med_map_routehandles_initfrom_field) creating RH bilnr for lnd to glc1 srcMask = -987987 dstMask = -987987
(module_med_map: med_map_routehandles_initfrom_field) creating RH consf for ocn to atm srcMask = 0 dstMask = -987987
(module_med_map: med_map_routehandles_initfrom_field) creating RH redist for ocn to ice srcMask = 0 dstMask = 0
(module_med_map: med_map_routehandles_initfrom_field) creating RH consf for ice to atm srcMask = 0 dstMask = -987987
(module_med_map: med_map_routehandles_initfrom_field) creating RH redist for ice to ocn srcMask = 0 dstMask = 0
(module_med_map: med_map_routehandles_initfrom_field) creating RH consf for rof to lnd srcMask = -987987 dstMask = -987987
(module_med_map: med_map_routehandles_initfrom_field) creating RH consd for rof to ocn srcMask = -987987 dstMask = 0
(module_med_map: med_map_routehandles_initfrom_field) creating RH rof2ocn_liq via input file /glade/campaign/cesm/cesmdata/inputdata/cpl/gridmaps/r05/map_r05_to_tx2_3_nnsm_e250r250_230914.nc for rof to ocn srcMask = -987987 dstMask = 0
(module_med_map: med_map_routehandles_initfrom_field) creating RH rof2ocn_ice via input file /glade/campaign/cesm/cesmdata/inputdata/cpl/gridmaps/r05/map_r05_to_tx2_3_nnsm_e1000r1000_230415.nc for rof to ocn srcMask = -987987 dstMask = 0
(module_med_map: med_map_routehandles_initfrom_field) creating RH consd for glc1 to lnd srcMask = -987987 dstMask = -987987
(module_med_map: med_map_routehandles_initfrom_field) creating RH consd for glc1 to rof srcMask = -987987 dstMask = -987987

```