libs/utils does not depend on app_version.h any more.

This reverts commit 7378ce32.

Change-Id: Ib4a60a6587d93952b15228793320d8dd99e2d475
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>