Fix unneeded code

src/PostgreSql.Exporter/Program.cs

@@ -30,5 +30,4 @@ await docker.DumpDatabaseAsync("backup.sql");
 Console.WriteLine(">>>>>>>>>>> downloading backup");
 await docker.DownloadAsync("backup.sql", docker.OutputPath, "backup.tar", true, false);
 
-Console.WriteLine(">>>>>>>>>>> DONE!");
-Console.ReadKey();
+Console.WriteLine(">>>>>>>>>>> DONE!");