MR-2: Auto-revert POS_FIGHTING after inactivity + Realtime character level updates

src/game/char_skill.cpp

@@ -2499,15 +2499,6 @@ bool CHARACTER::UseSkill(DWORD dwVnum, LPCHARACTER pkVictim, bool bUseGrandMaste
 	if (!pkSk)
 		return false;
 
-#ifdef FIX_BATTLE_INACTIVITY_TIMEOUT
-	// tw1x1: POS_FIGHTING timer fix
-	if (IsPC() && IS_SET(pkSk->dwFlag, SKILL_FLAG_ATTACK))
-	{
-		EnterCombat();
-	}
-	// tw1x1: end
-#endif
-
 	if (bCanUseHorseSkill && pkSk->dwType != SKILL_TYPE_HORSE)
 		return BATTLE_NONE;