The RESTORE_ALL_AND_RET macro is never used. Remove the dead code.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14411/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>