Fix #10: Game freezes when launched until openlauncher is closed

stdout buffer was getting filled because openlauncher never read it, causing the game to halt.

src/IntelOrca.OpenLauncher.Core/InstallService.cs

@@ -71,8 +71,7 @@ public Task Launch()
  {
  var psi = new ProcessStartInfo(ExecutablePath)
  {
- RedirectStandardError = true,
- RedirectStandardOutput = true
+ RedirectStandardError = true
  };
  var process = Process.Start(psi);
  var outputBuilder = new StringBuilder();