Fix qbs warnings

Duplicate dependencies

Change-Id: I23e931cd6e75494a8ec7e099b0f2549764e5924b
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Move findOnFileSystem from FolderNavigation to FindInFiles

Change-Id: I39069e1da20d34f9d5fd0f3caa996b13600ee5bb
Reviewed-by: Eike Ziller <eike.ziller@digia.com>