Removed one required argument from the list of fake arguments for a benchmark so we include validation errors too

Author: akamsteeg

src/AtleX.CommandLineArguments.Benchmarks/Benches/ArgumentsFaker.cs

@@ -28,7 +28,7 @@ public static string[] GetWindowsStyleArguments()
 
         "/Required", "true",
         "/RequiredToggle",
-        "/RequiredString", "aa",
+        // "/RequiredString", "aa", // We don't want this so we can include one validation error
       };
 
       return result;