m68k/math-emu: Remove commented out old code
m68k/math-emu: Remove commented out old code

It's been unused for ages, and contains bugs (e.g. incorrect shifts in
lsl64()).

Reported-by: Jonathan Elchison <90472aa1782e6a46cf60361ba447a92df8187e1f@gmail.com>
Signed-off-by: Geert Uytterhoeven <0da414d9d963da4039c2a0525b1844228075aa58@linux-m68k.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas