This is a left-over from commit 1a59d1b8 ("treewide: Replace GPLv2
boilerplate/reference with SPDX - rule 156")

Axe an empty and useless comment block.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/fda981546203427a0ac86ef47f231239ad18ecfe.1618520227.git.christophe.jaillet@wanadoo.frSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>