Remove friendly hits from the save file

The vanilla engine does not store friendly hits in the save file. Since there's no other mechanism that ever resets the friendly hits (at least not to my knowledge) this should be regarded a feature rather than a bug.

apps/openmw/mwmechanics/creaturestats.cpp

@@ -495,7 +495,10 @@ namespace MWMechanics
         state.mDead = mDead;
         state.mDied = mDied;
         state.mMurdered = mMurdered;
-        state.mFriendlyHits = mFriendlyHits;
+        // The vanilla engine does not store friendly hits in the save file. Since there's no other mechanism
+        // that ever resets the friendly hits (at least not to my knowledge) this should be regarded a feature
+        // rather than a bug.
+        //state.mFriendlyHits = mFriendlyHits;
         state.mTalkedTo = mTalkedTo;
         state.mAlarmed = mAlarmed;
         state.mAttacked = mAttacked;
@@ -544,7 +547,6 @@ namespace MWMechanics
         mDead = state.mDead;
         mDied = state.mDied;
         mMurdered = state.mMurdered;
-        mFriendlyHits = state.mFriendlyHits;
         mTalkedTo = state.mTalkedTo;
         mAlarmed = state.mAlarmed;
         mAttacked = state.mAttacked;

components/esm/creaturestats.cpp

@@ -24,8 +24,8 @@ void ESM::CreatureStats::load (ESMReader &esm)
     mMurdered = false;
     esm.getHNOT (mMurdered, "MURD");
 
-    mFriendlyHits = 0;
-    esm.getHNOT (mFriendlyHits, "FRHT");
+    if (esm.isNextSub("FRHT"))
+        esm.skipHSub(); // Friendly hits, no longer used
 
     mTalkedTo = false;
     esm.getHNOT (mTalkedTo, "TALK");
@@ -140,9 +140,6 @@ void ESM::CreatureStats::save (ESMWriter &esm) const
     if (mMurdered)
         esm.writeHNT ("MURD", mMurdered);
 
-    if (mFriendlyHits)
-        esm.writeHNT ("FRHT", mFriendlyHits);
-
     if (mTalkedTo)
         esm.writeHNT ("TALK", mTalkedTo);
 
@@ -235,7 +232,6 @@ void ESM::CreatureStats::blank()
     mDead = false;
     mDied = false;
     mMurdered = false;
-    mFriendlyHits = 0;
     mTalkedTo = false;
     mAlarmed = false;
     mAttacked = false;

components/esm/creaturestats.hpp

@@ -42,7 +42,6 @@ namespace ESM
         bool mDead;
         bool mDied;
         bool mMurdered;
-        int mFriendlyHits;
         bool mTalkedTo;
         bool mAlarmed;
         bool mAttacked;