- remove flow dir for S/R write_checkpoint (removed > 10.yr ago) - remove un-needed and out of date flow dir for S/R write_pickup   and S/R packages_write_pickup
- remove flow dir for S/R write_checkpoint (removed > 10.yr ago)
- remove un-needed and out of date flow dir for S/R write_pickup
  and S/R packages_write_pickup

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h