Remove the MS2SWA application

[binli2337]

PR Checklist

• This PR is up-to-date with the top of all sub-component repositories except for those sub-components which are the subject of this PR. Please consult the ufs-weather-model wiki if you are unsure how to do this.

• This PR has been tested using a branch which is up-to-date with the top of all sub-component repositories except for those sub-components which are the subject of this PR

• An Issue describing the work contained in this PR has been created either in the subcomponent(s) or in the ufs-weather-model. The Issue should be created in the repository that is most relevant to the changes in contained in the PR. The Issue and the dependent sub-component PR
  are specified below.

• Results for one or more of the regression tests change and the reasons for the changes are understood and explained below.

• New or updated input data is required by this PR. If checked, please work with the code managers to update input data sets on all platforms.

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The information provided below allows the code managers to understand the changes relevant to this PR, whether those changes are in the ufs-weather-model repository or in a subcomponent repository. Ufs-weather-model code managers will use the information provided to add any applicable labels, assign reviewers and place it in the Commit Queue. Once the PR is in the Commit Queue, it is the PR owner's responsibility to keep the PR up-to-date with the develop branch of ufs-weather-model.

Description

The MS2SWA application can be built using the S2SWA application with 32BIT=ON option.

Issue(s) addressed

Link the issues to be closed with this PR, whether in this repository, or in another repository.
(Remember, issues must always be created before starting work on a PR branch!)

• fixes Remove MS2SWA app #1540

Testing

How were these changes tested? What compilers / HPCs was it tested with? Are the changes covered by regression tests? (If not, why? Do new tests need to be added?) Have regression tests and unit tests (utests) been run? On which platforms and with which compilers? (Note that unit tests can only be run on tier-1 platforms)

• hera.intel
• hera.gnu
• orion.intel
• cheyenne.intel
• cheyenne.gnu
• gaea.intel
• jet.intel
• wcoss2.intel
• acorn.intel
• opnReqTest for newly added/changed feature
• CI

Dependencies

If testing this branch requires non-default branches in other repositories, list them. Those branches should have matching names (ideally).

Do PRs in upstream repositories need to be merged first?
If so add the "waiting for other repos" label and list the upstream PRs

• waiting on noaa-emc/nems/pull/<pr_number>
• waiting on noaa-emc/fv3atm/pull/<pr_number>

[junwang-noaa]

@binli2337 Thanks for making the changes, the baseline results will not be changed, right?

[binli2337]

@junwang-noaa Baseline will not be changed.

[jkbk2004]

This pr was merged with #1523.