ci: remove datadog from ci

[djanicekpach]

ci: remove datadog

Description

we no longer have a datadog subscription so removing all traces.

Test Plan

Checklist

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.54%. Comparing base (67a168a) to head (829ce28).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10206      +/-   ##
==========================================
- Coverage   58.83%   54.54%   -4.30%     
==========================================
  Files         753     1258     +505     
  Lines      103547   156530   +52983     
  Branches     3652     3653       +1     
==========================================
+ Hits        60923    85379   +24456     
- Misses      42491    71018   +28527     
  Partials      133      133              

Flag	Coverage Δ
backend	46.07% <ø> (+2.22%)	⬆️
harness	71.14% <ø> (ø)
web	54.75% <ø> (ø)

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

see 506 files with indirect coverage changes

[netlify]

✅ Deploy Preview for determined-ui canceled.

Name	Link
🔨 Latest commit	829ce28
🔍 Latest deploy log	https://app.netlify.com/sites/determined-ui/deploys/67366ad19bddf0000835ae7b

[stoksc]

gonna backport this so release ci passes