Removed preview image setting from model presets

It’s no longer needed because we use the thumbnail renderer

Signed-off-by: Guthrie Adams <guthadam@amazon.com>

Gems/Atom/Feature/Common/Code/Include/Atom/Feature/Utils/ModelPreset.h

@@ -30,7 +30,6 @@ namespace AZ
 
             AZStd::string m_displayName;
             AZ::Data::Asset<AZ::RPI::ModelAsset> m_modelAsset;
-            AZ::Data::Asset<AZ::RPI::StreamingImageAsset> m_previewImageAsset;
         };
 
         using ModelPresetPtr = AZStd::shared_ptr<ModelPreset>;

Gems/Atom/Feature/Common/Code/Source/Utils/EditorModelPreset.cpp

@@ -29,7 +29,6 @@ namespace AZ
                             ->Attribute(AZ::Edit::Attributes::AutoExpand, true)
                         ->DataElement(AZ::Edit::UIHandlers::Default, &ModelPreset::m_displayName, "Display Name", "Identifier used for display and selection")
                         ->DataElement(AZ::Edit::UIHandlers::Default, &ModelPreset::m_modelAsset, "Model Asset", "Model asset reference")
-                        ->DataElement(AZ::Edit::UIHandlers::Default, &ModelPreset::m_previewImageAsset, "Preview Image Asset", "Preview image asset reference")
                         ;
                 }
             }

Gems/Atom/Feature/Common/Code/Source/Utils/ModelPreset.cpp

@@ -24,10 +24,9 @@ namespace AZ
             if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
             {
                 serializeContext->Class<ModelPreset>()
-                    ->Version(3)
+                    ->Version(4)
                     ->Field("displayName", &ModelPreset::m_displayName)
                     ->Field("modelAsset", &ModelPreset::m_modelAsset)
-                    ->Field("previewImageAsset", &ModelPreset::m_previewImageAsset)
                     ;
             }
 
@@ -41,7 +40,6 @@ namespace AZ
                     ->Constructor<const ModelPreset&>()
                     ->Property("displayName", BehaviorValueProperty(&ModelPreset::m_displayName))
                     ->Property("modelAsset", BehaviorValueProperty(&ModelPreset::m_modelAsset))
-                    ->Property("previewImageAsset", BehaviorValueProperty(&ModelPreset::m_previewImageAsset))
                     ;
             }
         }