Nkoenig/remove ign

[nkoenig]

🎉 New feature

Removes ignition

Checklist

• Signed all commits for DCO
• Added tests
• Added example and/or tutorial
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• 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 and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[codecov]

Codecov Report

Merging #542 (42f361b) into main (92d6063) will not change coverage.
The diff coverage is n/a.

❗ Current head 42f361b differs from pull request most recent head 39de09d. Consider uploading reports for the commit 39de09d to get more accurate results

@@           Coverage Diff           @@
##             main     #542   +/-   ##
=======================================
  Coverage   99.74%   99.74%           
=======================================
  Files          77       77           
  Lines        7032     7032           
=======================================
  Hits         7014     7014           
  Misses         18       18           

Files Changed	Coverage Δ
include/gz/math/Helpers.hh	100.00% <ø> (ø)