Disable Default Shadowkin Powers (#120)

# Changelog

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:cl:
- remove: Removed the default Dark Swap Shadowkin power

Content.Server/Shadowkin/ShadowkinSystem.cs

@@ -138,9 +138,6 @@ private void OnRejuvenate(EntityUid uid, ShadowkinComponent component, Rejuvenat
         magic.ManaGain = 0.25f;
         magic.MindbreakingFeedback = "shadowkin-blackeye";
         magic.NoMana = "shadowkin-tired";
-
-        if (_prototypeManager.TryIndex<PsionicPowerPrototype>("ShadowkinPowers", out var shadowkinPowers))
-            _psionicAbilitiesSystem.InitializePsionicPower(uid, shadowkinPowers);
     }
 
     // FloofStation Edit

Resources/Prototypes/Entities/Mobs/Species/shadowkin.yml

@@ -235,9 +235,6 @@
       mana: 100
       maxMana: 200
       noMana: shadowkin-tired
-    - type: InnatePsionicPowers
-      powersToAdd:
-        - ShadowkinPowers
     - type: LanguageKnowledge
       speaks:
         - TauCetiBasic