When an actor dies purge all spell effects cast by that actor (Fixes #3175)

apps/openmw/mwmechanics/activespells.cpp

@@ -274,9 +274,7 @@ namespace MWMechanics
             for (std::vector<ActiveEffect>::iterator effectIt = it->second.mEffects.begin();
                  effectIt != it->second.mEffects.end();)
             {
-                const ESM::MagicEffect* effect = MWBase::Environment::get().getWorld()->getStore().get<ESM::MagicEffect>().find(effectIt->mEffectId);
+                if (it->second.mCasterActorId == casterActorId)
-                if (effect->mData.mFlags & ESM::MagicEffect::CasterLinked
-                        && it->second.mCasterActorId == casterActorId)
                     effectIt = it->second.mEffects.erase(effectIt);
                 else
                     ++effectIt;

apps/openmw/mwmechanics/actors.cpp

@@ -1209,7 +1209,7 @@ namespace MWMechanics
 
                 ++mDeathCount[Misc::StringUtils::lowerCase(iter->first.getCellRef().getRefId())];
 
-                // Make sure spell effects with CasterLinked flag are removed
+                // Make sure spell effects are removed
                 for (PtrActorMap::iterator iter2(mActors.begin());iter2 != mActors.end();++iter2)
                 {
                     MWMechanics::ActiveSpells& spells = iter2->first.getClass().getCreatureStats(iter2->first).getActiveSpells();