- Fix staircase texture misaligment

- Map no longer support Skirmish, Hunt gamemodes
- Navmesh improvements
- Tweaked HDR settings for better visibility
- You can blow doors with heavy explosive such as C4, IED, RPG-7, AT4, and any explosive with damage output higher than 200
- Insurgents can open doors from both sides
- Tweaked B objective bounds in Checkpoint
- After capturing objective A both doors on ground level will be destroyed