Change navmesh.GetNavAreaCount data source * Fixes its return value not matching getAllNavAreas return count Fixed a crash with trigger_tonemap & some other issues * Also fixed `trigger_weapon_strip` preventing weapon pickup indefinitely if removed while player is inside the field Updated FGD files * func_useableladder origin KV is now defined (since its auto generated) Try to fix trigger_playermovement sticking when removed with a player in Simplify how we get Steam APIs * The new SteamAPI versions do not have the "api context" stuff anyway. * Deletes IGet::SteamRemoteStorage, SteamApps, SteamScreenshots, SteamUser, SteamFriends, SteamGameServer, ResetSteamAPIs Fixed another NPE crash with HLTV Fix some prediction errors with HL1 weapons * These weapons take too much effort Minor weapon prediction fixes * SLAM fixes * Minor Gravity Gun prediction fix (for holding right click)