Update memory settings in config.resources for job postsnd (#3003)

# Description

This PR corrects the memory settings for the BUFR sounding job postsnd.
The "memory" specified in the config.resources file represents the total
memory required for the entire job, not for a single processor. The
updated config.resources file removes the "memory" entries for C1152 and
C768 for the postsnd job.

# Type of change
- [x] Bug fix (fixes something broken)
 
# Change characteristics
- Is this a breaking change (a change in existing functionality)? NO
- Does this change require a documentation update? NO
- Does this change require an update to any of the following submodules?
NO

# How has this been tested?
- Cycled test on WCOSS2 
 
# Checklist
- [ ] Any dependent changes have been merged and published
- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have documented my code, including function, input, and output
descriptions
- [ ] My changes generate no new warnings
- [ ] New and existing tests pass with my changes
- [ ] This change is covered by an existing CI test or a new one has
been added
- [ ] I have made corresponding changes to the system documentation if
necessary

---------

Co-authored-by: Walter Kolczynski - NOAA <Walter.Kolczynski@noaa.gov>

parm/config/gfs/config.resources

@@ -1214,12 +1214,10 @@ case ${step} in
       "C768")
         tasks_per_node=21
         threads_per_task=6
-        memory="23GB"
         ;;
       "C1152")
         tasks_per_node=9
         threads_per_task=14
-        memory="50GB"
         ;;
       *)
         tasks_per_node=21