Remove BT2 switch

[JessicaMeixner-NOAA]

Pull Request Summary

Remove BT2 switch which was not fully implemented.

Description

Removes BT2 switch from documentation and code.

Issue(s) addressed

• fixes Remove BT2 switch #573

Commit Message

Remove BT2 switch

Check list

• Branch is up to date with the authoritative repository (NOAA-EMC) develop branch.
• Checked the checklist for a developer submitting to develop.
• If a version number update is required, checked the updating version number checklist.
• If a new feature was added, a regression test for testing the new feature is added.

Testing

• How were these changes tested? matrix_ncep
• Are the changes covered by regression tests? (If not, why? Do new tests need to be added?) Removing feature
• Have the matrix regression tests been run (if yes, please note HPC and compiler)? hera.intel
• Please indicate the expected changes in the regression test output (Note the known list of non-identical tests).

**********************************************************************
********************* non-identical cases ****************************
**********************************************************************
mww3_test_03/./work_PR2_UQ_MPI_d2                     (6 files differ)
mww3_test_03/./work_PR3_UNO_MPI_d2_c                     (6 files differ)
mww3_test_03/./work_PR3_UNO_MPI_d2                     (8 files differ)
mww3_test_03/./work_PR2_UNO_MPI_d2                     (9 files differ)
mww3_test_03/./work_PR1_MPI_d2                     (8 files differ)
mww3_test_03/./work_PR3_UQ_MPI_d2_c                     (8 files differ)
mww3_test_03/./work_PR3_UQ_MPI_d2                     (10 files differ)
ww3_tp2.10/./work_MPI_OMPH                     (7 files differ)
ww3_tp2.16/./work_MPI_OMPH                     (5 files differ)
ww3_ts3/./work_ST4_FLD2_MPI                     (1 files differ)
ww3_ufs1.1/./work_d                     (0 files differ)
ww3_ufs1.2/./work_b                     (0 files differ)
ww3_ufs1.3/./work_a                     (1 files differ)

• Please provide the summary output of matrix.comp (matrix.Diff.txt, matrixCompFull.txt and matrixCompSummary.txt):

matrixCompFull.txt
matrixCompSummary.txt
matrixDiff.txt

[aliabdolali]

here is the summary of regtests on noaa hpc with pre-known non-b4b cases.

**********************************************************************
********************* non-identical cases ****************************
**********************************************************************
mww3_test_03/./work_PR2_UQ_MPI_d2                     (7 files differ)
mww3_test_03/./work_PR2_UNO_MPI_d2                     (6 files differ)
mww3_test_03/./work_PR3_UQ_MPI_d2_c                     (8 files differ)
mww3_test_03/./work_PR1_MPI_d2                     (11 files differ)
mww3_test_03/./work_PR3_UNO_MPI_d2_c                     (6 files differ)
mww3_test_03/./work_PR3_UNO_MPI_d2                     (8 files differ)
mww3_test_03/./work_PR3_UQ_MPI_d2                     (8 files differ)
ww3_tp2.10/./work_MPI_OMPH                     (7 files differ)
ww3_tp2.16/./work_MPI_OMPH                     (4 files differ)
ww3_ufs1.1/./work_d                     (0 files differ)
ww3_ufs1.2/./work_b                     (0 files differ)
ww3_ufs1.3/./work_a                     (1 files differ)

matrixCompFull.txt
matrixCompSummary.txt
matrixDiff.txt