Core/Db/Conditions:

-Drop condition CONDITION_SPELL_SCRIPT_TARGET, use other condition types instead
-Change CONDITION_SOURCE_TYPE_SPELL_SCRIPT_TARGET to CONDITION_SOURCE_TYPE_SPELL_IMPLICIT_TARGET:
--allow using this condition for more spell implicit target types (not just ENTRY)
--SourceGroup value for this src type is now effMask and it's now required

Core/Spells: Unify the way implicit targets are handled, fully implement some partially implemented target types, fix some minor bugs found on the way, general improvements and cleanup.

src/server/game/Spells/SpellScript.cpp

@@ -473,11 +473,6 @@ void SpellScript::GetSummonPosition(uint32 i, Position &pos, float radius = 0.0f
     m_spell->GetSummonPosition(i, pos, radius, count);
 }
 
-void SpellScript::SearchAreaTarget(std::list<Unit*> &TagUnitMap, float radius, SpellNotifyPushType type, SpellTargets TargetType, uint32 entry)
-{
-    m_spell->SearchAreaTarget(TagUnitMap, radius, type, TargetType, entry);
-}
-
 void SpellScript::PreventHitEffect(SpellEffIndex effIndex)
 {
     if (!IsInHitPhase() && !IsInEffectHook())