delete test args

CardCodeSearcher/Program.cs

@@ -10,7 +10,6 @@ namespace CardCodeSearcher
     {
         static void Main(string[] args)
         {
-            args = new string[1] { "input.txt" };
             if (args.Length == 0)
             {
                 Console.WriteLine("Usage: cardcodesearcher.exe file1 file2 file3...");