👩‍🌾 Remove deprecated test

[chapulina]

🦟 Bug fix

Summary

The REGRESSION_deprecated test was originally added to test deprecated functions in 2e2baca.

On ign-transport5, the deprecated functions were tocked out, but the test remained, empty.

I believe it should be ok to remove this test since it isn't doing anything that other tests aren't already.

Checklist

• Signed all commits for DCO
• Added Removed tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge

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https://github.com/osrf/buildfarmer/issues/181

[codecov]

Codecov Report

Merging #239 (b731f10) into ign-transport8 (b566563) will not change coverage.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           ign-transport8     #239   +/-   ##
===============================================
  Coverage           83.76%   83.76%           
===============================================
  Files                  51       51           
  Lines                5033     5033           
===============================================
  Hits                 4216     4216           
  Misses                817      817           

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[jennuine]

LGTM but I'm not familiar with ign-transport. Maybe a second pair of 👀?

[caguero]

Agreed, we can remove it.