Remove unnecessary namespaces

mackysoft · mackysoft · commit 4cdcf995f6a7 · 2022-03-28T23:06:11.000+09:00
diff --git a/Assets/MackySoft/MackySoft.SerializeReferenceExtensions/Editor/SubclassSelectorDrawer.cs b/Assets/MackySoft/MackySoft.SerializeReferenceExtensions/Editor/SubclassSelectorDrawer.cs
@@ -5,8 +5,6 @@
 using UnityEngine;
 using UnityEditor;
 using UnityEditor.IMGUI.Controls;
-using UnityEngine.UIElements;
-using UnityEditor.UIElements;
 
 namespace MackySoft.SerializeReferenceExtensions.Editor {
 
