opcodes/loongarch: remove unused code Remove some unused declarations and code. include/ChangeLog: * opcode/loongarch.h: Remove unused declarations. opcodes/ChangeLog: * loongarch-dis.c (loongarch_parse_dis_options): Remove. (my_print_address_func): Likewise. (loongarch_disassemble_one): Likewise. Signed-off-by: WANG Xuerui <git@xen0n.name>