m68k/atari: ARAnyM - Remove reference to long-deprecated MODULE_PARM

Given that MODULE_PARM was deprecated years ago, and this is only a
comment, get rid of this reference to further the goal of deleting
every remaining reference in the entire kernel code base.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>