chore: Remove immutable.js

[etr2460]

SUMMARY

Immutable.js was added to the repo ~4 years ago and never used since, and was only used in one of our legacy packages. This removes the dep to save on bundle size

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

Before:

After:

TESTING

CI, spin up a test env and make sure the sql lab table still works

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

to: @betodealmeida @ktmud @graceguo-supercat @m-ajay

[etr2460]

/testenv up

[github-actions]

@etr2460 Ephemeral environment spinning up at http://34.221.180.100:8080. Credentials are admin/admin. Please allow several minutes for bootstrapping and startup.

[codecov]

Codecov Report

Merging #16823 (bcdefa0) into master (4086bed) will decrease coverage by 0.00%.
The diff coverage is 73.52%.

❗ Current head bcdefa0 differs from pull request most recent head 5164bd8. Consider uploading reports for the commit 5164bd8 to get more accurate results

@@            Coverage Diff             @@
##           master   #16823      +/-   ##
==========================================
- Coverage   77.00%   76.99%   -0.01%     
==========================================
  Files        1018     1018              
  Lines       54654    54668      +14     
  Branches     7454     7456       +2     
==========================================
+ Hits        42086    42094       +8     
- Misses      12324    12329       +5     
- Partials      244      245       +1     

Flag	Coverage Δ
javascript	71.08% <95.23%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
superset/connectors/sqla/models.py	87.23% <14.28%> (-0.52%)	⬇️
superset/db_engine_specs/druid.py	86.27% <66.66%> (-2.62%)	⬇️
...src/components/FilterableTable/FilterableTable.tsx	81.86% <92.30%> (-0.32%)	⬇️
...perset-frontend/src/views/CRUD/chart/ChartList.tsx	74.35% <100.00%> (ø)
...rontend/src/views/CRUD/dashboard/DashboardList.tsx	72.22% <100.00%> (ø)
...ontend/src/views/CRUD/data/dataset/DatasetList.tsx	65.92% <100.00%> (ø)
.../src/views/CRUD/data/savedquery/SavedQueryList.tsx	73.10% <100.00%> (+0.18%)	⬆️
superset/db_engine_specs/presto.py	90.37% <0.00%> (+0.41%)	⬆️

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[etr2460]

everything looks good in the test env to me

[ktmud]

Thanks for the cleanup!

[github-actions]

Ephemeral environment shutdown and build artifacts deleted.