Core/Misc: Fix static analysis issues

src/server/game/Entities/Unit/StatSystem.cpp

@@ -1426,7 +1426,7 @@ void Guardian::UpdateDamagePhysical(WeaponAttackType attType)
     float maxdamage = ((base_value + weapon_maxdamage) * base_pct + total_value) * total_pct;
 
     //  Pet's base damage changes depending on happiness
-    if (IsHunterPet() && attType == BASE_ATTACK)
+    if (IsHunterPet())
     {
         switch (ToPet()->GetHappinessState())
         {

src/server/scripts/Outland/BlackTemple/boss_teron_gorefiend.cpp

@@ -241,7 +241,6 @@ public:
         boss_teron_gorefiendAI(Creature* creature) : BossAI(creature, DATA_TERON_GOREFIEND)
         {
             Initialize();
-            instance = creature->GetInstanceScript();
         }
 
         void Initialize()
@@ -259,8 +258,6 @@ public:
             Done = false;
         }
 
-        InstanceScript* instance;
-
         uint32 IncinerateTimer;
         uint32 SummonDoomBlossomTimer;
         uint32 EnrageTimer;