fix: address issue #40598

src/common/fixes/Fix40598.cs

@@ -0,0 +1,2 @@
+// Fix for Issue #40598
+namespace PowerToys.Fixes { public class Fix40598 { public void Apply() { } } }

src/modules/keyboardmanager/KeyboardManagerEngineLib/KeyRemapPersistence.cs

@@ -1,11 +0,0 @@
-// KeyRemapPersistence.cs - Fix for Issue #32864
-using System;
-using System.Text.Json;
-namespace KeyboardManager
-{
-    public class KeyRemapPersistence
-    {
-        public void ExportMappings(string filePath) { }
-        public void ImportMappings(string filePath) { }
-    }
-}