Revert "Remove Faxa_lat and Faxa_sen from fd yaml"

This reverts commit ec45e87.

Author: anton-seaice

mediator/fd_cesm.yaml

@@ -433,6 +433,16 @@
        canonical_units: N m-2
        description: atm import to med - meridional component of momentum flux
      #
+     - standard_name: Faxa_lat
+       alias: mean_laten_heat_flx_atm
+       canonical_units: W m-2
+       description: atm import to med
+     #
+     - standard_name: Faxa_sen
+       alias: mean_sensi_heat_flx_atm
+       canonical_units: W m-2
+       description: atm import to med
+     #
      #-----------------------------------
      # section: atm export from med (computed in med)
      #-----------------------------------