Removed unused processor result

I18N Commander/UI WinForms/ExtensionsError.cs

@@ -4,12 +4,10 @@ namespace UI_WinForms;
 
 public static class ExtensionsError
 {
-    public static ProcessorResult<TResult> ProcessError<TResult>(this ProcessorResult<TResult> result)
+    public static void ProcessError<TResult>(this ProcessorResult<TResult> result)
     {
-        if (result.Successful)
-            return result;
-        
+        if (result.Successful) return;
+
         MessageBox.Show(result.ErrorMessage, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
-        return result;
     }
 }