chore(launch): Remove internal api calls used when create job artifacts

[KyleGoyette]

Description

• Fixes WB-NNNNN
• Fixes #NNNN

What does the PR do? Include a concise description of the PR contents.

• I updated CHANGELOG.md, or it's not applicable

Testing

How was this PR tested?

[codecov]

Codecov Report

Attention: Patch coverage is 81.48148% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 76.28%. Comparing base (d779c09) to head (f3a7925).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7312      +/-   ##
==========================================
+ Coverage   76.26%   76.28%   +0.01%     
==========================================
  Files         510      510              
  Lines       54207    54217      +10     
==========================================
+ Hits        41339    41357      +18     
+ Misses      12516    12510       -6     
+ Partials      352      350       -2     

Flag	Coverage Δ
func	43.80% <7.40%> (+0.08%)	⬆️
system	64.61% <81.48%> (+0.01%)	⬆️
unit	57.91% <14.81%> (-0.02%)	⬇️

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Files	Coverage Δ
wandb/sdk/internal/job_builder.py	94.46% <100.00%> (ø)
wandb/sdk/launch/create_job.py	76.85% <80.00%> (+0.14%)	⬆️

... and 9 files with indirect coverage changes