Delete jump step unit test that has been moved to STCAL

[mwregan2]

This PR removes a jump test that was moved to be in STCAL. This reduces the coupling of the two repos.

Checklist for maintainers

• added entry in CHANGES.rst within the relevant release section
• updated or added relevant tests
• updated relevant documentation
• added relevant milestone
• added relevant label(s)
• ran regression tests, post a link to the Jenkins job below.
  How to run regression tests on a PR
• Make sure the JIRA ticket is resolved properly

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.36%. Comparing base (4cc0ac1) to head (fc41765).
Report is 8 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8319      +/-   ##
==========================================
+ Coverage   75.15%   75.36%   +0.20%     
==========================================
  Files         470      474       +4     
  Lines       38604    38839     +235     
==========================================
+ Hits        29014    29271     +257     
+ Misses       9590     9568      -22     

Flag	Coverage Δ		*Carryforward flag
nightly	77.35% <ø> (-0.04%)	⬇️	Carriedforward from ace8179

*This pull request uses carry forward flags. Click here to find out more.

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