Treat 0-weight armor as light armor in some respects

apps/openmw/mwclass/armor.cpp

@@ -146,9 +146,6 @@ namespace MWClass
 
         float epsilon = 0.0005f;
 
-        if (ref->mBase->mData.mWeight == 0)
-            return ESM::Skill::Unarmored;
-
         if (ref->mBase->mData.mWeight <= iWeight * gmst.find ("fLightMaxMod")->getFloat() + epsilon)
             return ESM::Skill::LightArmor;
 

apps/openmw/mwclass/npc.cpp

@@ -1160,7 +1160,6 @@ namespace MWClass
 
                 switch(boots->getClass().getEquipmentSkill(*boots))
                 {
-                    case ESM::Skill::Unarmored:
                     case ESM::Skill::LightArmor:
                         return (name == "left") ? "FootLightLeft" : "FootLightRight";
                     case ESM::Skill::MediumArmor: