Remove warning about a program not being loaded for exception trace

- It was rare where this would realistically be an issue, and just spams a number of warnings when you install U# which could confuse people

Assets/UdonSharp/Editor/UdonSharpRuntimeLogWatcher.cs

@@ -100,7 +100,7 @@ static bool InitializeScriptLookup()
                     program.Heap == null ||
                     program.SymbolTable == null)
                 {
-                    Debug.LogWarning($"Could not load program for '{programAsset}', exceptions for this script will not be handled until scripts have been reloaded");
+                    //Debug.LogWarning($"Could not load program for '{programAsset}', exceptions for this script will not be handled until scripts have been reloaded");
                     continue;
                 }