Bring Library class in line with style lines.

src/Library/CreatureData/LearnableAttacks.cpp

@@ -11,8 +11,4 @@ void LearnableAttacks::AddLevelAttack(uint8_t level, const AttackData* attack) {
         _learnedByLevel.Insert(level, levelData);
     }
     _distinctAttacks.insert(attack);
-}
-
-const ArbUt::List<const AttackData*>& LearnableAttacks::GetAttacksForLevel(uint8_t level) const {
-    return _learnedByLevel.Get(level);
-}
+}