fix unneeded xml attrubutes are shown
fix unneeded xml attrubutes are shown

Change-Id: I74a613d0fb872d5bbb8c818634b41a8c5d414fd7
Reviewed-on: http://cr.qtquick.me/778
Tested-by: http://ci.qtquick.me/
Reviewed-by: Tasuku Suzuki <42980d970444f9101663582e70cd53623b3238b4@gmail.com>
Tested-by: Tasuku Suzuki <42980d970444f9101663582e70cd53623b3238b4@gmail.com>

qt-users-jp/silk,qt-users-jp/silk,yatsek/silk,qt-users-jp/silk,qt-users-jp/silk,yatsek/silk,yatsek/silk,yatsek/silk