Allow for point light mixed light shadows
Remove old lightbinner that isn't used
Remove FOG_LIGHTING_MODE_BAKED_NOSHADOWS, it's only used for hammer preview and just confuses people, default lights to affect fog
Make Henyey-Greenstein curve from dynamic fog match luminosity of baked fog, improve TAA on fog
https://imgur.com/a/h4G7Qr4
Fix baked fog