MIPS: Remove old core dump functions

Since the core dumper now uses regsets, the old core dump functions are
now unused. Remove them.

Signed-off-by: Alex Smith <alex@alex-smith.me.uk>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7456/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --cc arch/mips/include/asm/elf.h
Simple merge

diff --cc arch/mips/kernel/binfmt_elfo32.c
Simple merge

diff --cc arch/mips/kernel/process.c
Simple merge