[Megascans]

* Removed unused enum that was causing compile warnings due to enum value "normal" being defined in global namespace and makes other enums shadowed

#preflight 63cac970fa66be4cc338c11a
#rb none
#jira none

[CL 23792191 by henrik karlsson in ue5-main branch]

Engine/Plugins/Bridge/Source/MegascansPlugin/Private/Tools/BlendMaterials.h

@@ -6,13 +6,6 @@
 struct FAssetData;
 struct FUAssetMeta;
 
-enum EImportState
-{
-    Instance,
-    Albedo,
-    Normal
-};
-
 class FMaterialBlend
 {
 private: