Minor fixes to Qt5.3 installer configuration files

Remove unnecessary duplicate file.
Fix component dependency and correct package to be used for ios
installer.

Change-Id: Ibcc6615d09f20d7c15b4ac9f86c99cd4adb36790
Reviewed-by: Samuli Piippo <samuli.piippo@digia.com>
Reviewed-by: Antti Kokko <antti.kokko@digia.com>