Slight cleanup, do some TODOs

PkmnLib.Dynamic/ScriptHandling/Registry/ItemScriptAttribute.cs

@@ -1,4 +1,3 @@
-using JetBrains.Annotations;
 using PkmnLib.Static.Utils;
 
 namespace PkmnLib.Dynamic.ScriptHandling.Registry;

PkmnLib.Dynamic/ScriptHandling/Registry/Plugin.cs

@@ -1,5 +1,3 @@
-using JetBrains.Annotations;
-
 namespace PkmnLib.Dynamic.ScriptHandling.Registry;
 
 /// <summary>

PkmnLib.Dynamic/ScriptHandling/Registry/ScriptAttribute.cs

@@ -1,4 +1,3 @@
-using JetBrains.Annotations;
 using PkmnLib.Static.Utils;
 
 namespace PkmnLib.Dynamic.ScriptHandling.Registry;

PkmnLib.Dynamic/ScriptHandling/Registry/ScriptRegistry.cs

@@ -1,6 +1,5 @@
 using System.Linq.Expressions;
 using System.Reflection;
-using JetBrains.Annotations;
 using PkmnLib.Dynamic.Libraries;
 using PkmnLib.Static;
 using PkmnLib.Static.Utils;