Revert PyPI publishing, keep only binary releases

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: dhcold

.github/workflows/publish.yml

@@ -1,5 +1 @@
 """Turnt-o-mapper -- Quake 3 .map generator and Diabotical importer."""
-
-from turnt_o_mapper.__version__ import __version__
-
-__all__ = ["__version__"]