#undef is now required for all file defines (#24091)

* CI

* undef

* hooooly crap

* yeah

* false by default

* fixes

* alright, there we go

* oops lmao

* lol, lmao even

* proper programming

* fix

* losin my mind

* oops

* yeah coloring

* WE LOVE MULTIPLE DEFINES (ive lost my sanity)

.github/workflows/ci.yml

@@ -36,6 +36,7 @@ jobs:
           python tools/ci/check_file_names.py
           python tools/ci/unticked_files.py ${GITHUB_WORKSPACE}
           python tools/ci/illegal_dme_files.py ${GITHUB_WORKSPACE}
+          python tools/ci/define_sanity.py
           python -m tools.ci.check_icon_conflicts
           python -m tools.ci.check_icon_dupenames
           python -m tools.maplint.source --github