task(RHOAIENG-26192): Removed dep fields head_gpus + num_gpus

[chipspeak]

Issue link

Jira Link

What changes have been made

head_gpus and num_gpus have reached the end of their deprecation notice period. These values and related logic have been removed as per the Jira.

Verification steps

1. Build a version of the CodeFlare SDK based on this PR.
2. Pip install it in a Jupyter Notebook running in RHOAI.
3. Attempt to use the deprecated values when defining a cluster.
4. This should now throw an unexpected keyword argument versus previous logic.

Checks

• I've made sure the tests are passing.
• Testing Strategy
  • Unit tests
  • Manual tests
  • Testing is not required for this change

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.54%. Comparing base (68d1f6c) to head (3748bf2).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #835      +/-   ##
==========================================
+ Coverage   92.48%   92.54%   +0.06%     
==========================================
  Files          24       24              
  Lines        1423     1409      -14     
==========================================
- Hits         1316     1304      -12     
+ Misses        107      105       -2     

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[chipspeak]

Verified via e2e, pytests and using an SDK build based on this PR in RHOAI. See below screenshot.
Previously, this would highlight the fields being deprecated and reassign the values to head_extended_resource_requests etc but now this should just throw an error as with any unsupported field.

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kryanbeane

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