Remove ignition

[nkoenig]

🎉 New feature

Remove 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 #877 (b0646b2) into main (e58870c) will increase coverage by 0.03%.
The diff coverage is 76.47%.

❗ Current head b0646b2 differs from pull request most recent head b1b2a51. Consider uploading reports for the commit b1b2a51 to get more accurate results

@@            Coverage Diff             @@
##             main     #877      +/-   ##
==========================================
+ Coverage   75.09%   75.13%   +0.03%     
==========================================
  Files         176      176              
  Lines       16859    16835      -24     
==========================================
- Hits        12661    12649      -12     
+ Misses       4198     4186      -12     

Files Changed	Coverage Δ
src/RenderEngineManager.cc	79.44% <76.47%> (+2.55%)	⬆️