Jobs: don't force data payload

[JoshVanL]

There is no requirement for a job to have a data payload. Remove this check on the jobs client.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.16%. Comparing base (6c59092) to head (631840e).
⚠️ Report is 35 commits behind head on main.

❗ There is a different number of reports uploaded between BASE (6c59092) and HEAD (631840e). Click for more details.

HEAD has 3 uploads less than BASE

Flag	BASE (6c59092)	HEAD (631840e)
	4	1

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #782      +/-   ##
==========================================
- Coverage   62.52%   57.16%   -5.37%     
==========================================
  Files          56       58       +2     
  Lines        4139     4447     +308     
==========================================
- Hits         2588     2542      -46     
- Misses       1425     1769     +344     
- Partials      126      136      +10     

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