Hide MSAA framesettings

com.unity.render-pipelines.high-definition/HDRP/Editor/RenderPipeline/Settings/FrameSettingsUI.cs

             EditorGUILayout.PropertyField(p.enableOpaqueObjects, _.GetContent("Enable Opaque Objects"));
             EditorGUILayout.PropertyField(p.enableTransparentObjects, _.GetContent("Enable Transparent Objects"));
 
-            EditorGUILayout.PropertyField(p.enableMSAA, _.GetContent("Enable MSAA"));
+            // Hide for now as not supported
+            //EditorGUILayout.PropertyField(p.enableMSAA, _.GetContent("Enable MSAA"));
         }
 
         static void Drawer_FieldStereoEnabled(FrameSettingsUI s, SerializedFrameSettings p, Editor owner)