Finish script interface refactor

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/IceBody.cs

@@ -6,7 +6,7 @@ namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
 /// <see href="https://bulbapedia.bulbagarden.net/wiki/Ice_Body_(Ability)">Bulbapedia - Ice Body</see>
 /// </summary>
 [Script(ScriptCategory.Ability, "ice_body")]
-public class IceBody : Script, IScriptOnEndTurn
+public class IceBody : Script, IScriptOnEndTurn, IScriptCustomTrigger
 {
     private IPokemon? _pokemon;
 
@@ -41,7 +41,7 @@ public class IceBody : Script, IScriptOnEndTurn
     }
 
     /// <inheritdoc />
-    public override void CustomTrigger(StringKey eventName, ICustomTriggerArgs args)
+    public void CustomTrigger(StringKey eventName, ICustomTriggerArgs args)
     {
         if (eventName != CustomTriggers.IgnoreHail || args is not CustomTriggers.IgnoreHailArgs ignoreHailArgs)
             return;