Remove log statements and unused header.

Author: AswinRajGopal

Packages/com.unity.inputsystem/InputSystem/Actions/InputActionAsset.cs

@@ -1044,13 +1044,10 @@ internal static void MigrateAllEnumParams(InputActionAsset asset)
 
                         if (!anyChanged)
                         {
-                            Debug.Log("No Change");
-
                             rebuilt.Add(nap.ToString());
                         }
                         else
                         {
-                            Debug.Log("Changed");
                             var paramString = string.Join(",", dict.Select(kv => $"{kv.Key}={kv.Value}"));
                             var newNamedValues = NamedValue.ParseMultiple(paramString);
 

Packages/com.unity.inputsystem/InputSystem/Editor/AssetImporter/InputActionImporter.cs

@@ -3,7 +3,6 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Reflection;
 using UnityEditor;
 #if UNITY_2020_2_OR_NEWER
 using UnityEditor.AssetImporters;