radio 180's improvements

Map	Style	From	To	Improved by	Date
mg_kc_course	Normal	0:44.367	0:44.078	−0.289	31 Oct
mg_metal_course_level	Normal	0:59.909	0:56.844	−3.065	25 Oct

Improvements from before 26 Oct 2026 are estimated from old database backups; some may be missing.