gdb: LoongArch: Remove loongarch_lookup_debug_reg_state()

loongarch_lookup_debug_reg_state() is a unused function, so we
can remove it.

Signed-off-by: Hui Li <lihui@loongson.cn>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
2 files changed