m68k: Drop redundant NOTES in link script

Commit eaf93707 ("vmlinux.lds.h: Move NOTES into RO_DATA") after
should remove redundant NOTES.

Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Link: https://lore.kernel.org/r/1605852474-23446-1-git-send-email-tangyouling@loongson.cn


Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>