[9037] Cleanups in spellmode apply code.

* Add constructores for spellmode creating instead explcit fields init
* Use uint32 for family mask 2 instead unneded uint64

Also drop one from manual applies for uno-existed now spell.

src/game/DBCStructure.h

@@ -1426,6 +1426,10 @@ struct SpellEntry
 
     // helpers
     int32 CalculateSimpleValue(uint8 eff) const { return EffectBasePoints[eff]+int32(EffectBaseDice[eff]); }
+    uint32 const* GetEffectSpellClassMask(uint8 effect) const
+    {
+        return EffectSpellClassMaskA + effect * 3;
+    }
 
     private:
         // prevent creating custom entries (copy data from original in fact)