let's delete these
Revert "Make use of glibc versions of memcopy,memmove. Taken from here https://github.com/faux123/Nexus_5/issues/6"

This reverts commit 562420b9fd12ac6b7be448f50c7777aeb8773ba1.

Kernel doesn't build. I'm too tired to figure this out right now.

Conflicts:
	arch/arm/include/asm/string.h
	arch/arm/kernel/armksyms.c
	arch/arm/lib/Makefile