Uses Zephyr's new version infrastruction system for configuring the
version of the application and displaying it.
Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
The initial idea behind this code was to showcase documentation. It does
not add any special value to the sample, so remove it. A proper library
can be added in the future.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>