Resolve WES-127-Refactor_Themelist

Assets/Common/Interfaces/Theme.cs

@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using Unity.Barracuda;
 using UnityEngine;
 
 /// <summary>
@@ -24,9 +23,9 @@ public class Theme : ScriptableObject
     public ThemeIndex index;
 
     /// <summary>
-    /// Reference to the model used in the SignPredictor
+    /// The index of the model you want to use
     /// </summary>
-    public NNModel model;
+    public ModelIndex modelIndex;
 
     /// <summary>
     /// List of all learnable words/letters