chore: stop publishing helm charts to NGC.

[ioga]

Description

Publishing helm charts to NGC is useless. Publishing to https://helm.determined.ai is done elsewhere.

https://hpe-aiatscale.slack.com/archives/C03JGLKTBEJ/p1714429971196879
https://hpe-aiatscale.slack.com/archives/C7E6HPZ5F/p1714432108065479

Test Plan

This is changing CI jobs for release which we have no way to test or dry-run. Please review carefully.

Checklist

• Changes have been manually QA'd
• User-facing API changes need the "User-facing API Change" label.
• Release notes should be added as a separate file under docs/release-notes/.
  See Release Note for details.
• Licenses should be included for new code which was copied and/or modified from any external code.

[netlify]

✅ Deploy Preview for determined-ui canceled.

Name	Link
🔨 Latest commit	4fc65a8
🔍 Latest deploy log	https://app.netlify.com/sites/determined-ui/deploys/6631282ee06cc500083aad8d

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 44.58%. Comparing base (f8f8672) to head (4fc65a8).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9271      +/-   ##
==========================================
- Coverage   44.59%   44.58%   -0.02%     
==========================================
  Files        1273     1273              
  Lines      155832   155832              
  Branches     2439     2439              
==========================================
- Hits        69498    69472      -26     
- Misses      86095    86121      +26     
  Partials      239      239              

Flag	Coverage Δ
backend	41.68% <ø> (-0.06%)	⬇️
harness	64.05% <ø> (ø)
web	35.04% <ø> (ø)

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

see 4 files with indirect coverage changes