Doc: Inline a short snippet

An indirect way of fixing a broken snippet path.

The entire (but very short) file is included as a snippet in only one
place, and the license text takes far more space than the snippet.

Change-Id: I6f4bf588b8701b655d418a71f83a2f9263d6b532
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>