The internal header isn't needed. The needed function
libcameraBuildPath() is exposed by libcamera/base/utils.h header.
At the same time, move the utils header to .cpp instead of including
it in the base class header itself.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>