remove comment cruft that got left behind in x86_64 syscall.s
remove comment cruft that got left behind in x86_64 syscall.s

chneukirchen/musl-chris2,rofl0r/musl-old,chardi/musl,davidlazar/musl,chardi/musl,rofl0r/musl-old,chneukirchen/musl-chris2,chardi/musl,davidlazar/musl