libceph: remove now unused ceph_{en,de}code_timespec()

	tv->tv_sec = cpu_to_le32((u32)ts->tv_sec);

	tv->tv_nsec = cpu_to_le32((u32)ts->tv_nsec);

}

static inline void ceph_decode_timespec(struct timespec *ts,

					const struct ceph_timespec *tv)

{

	ts->tv_sec = (__kernel_time_t)le32_to_cpu(tv->tv_sec);

	ts->tv_nsec = (long)le32_to_cpu(tv->tv_nsec);

}

static inline void ceph_encode_timespec(struct ceph_timespec *tv,

					const struct timespec *ts)

{

	tv->tv_sec = cpu_to_le32((u32)ts->tv_sec);

	tv->tv_nsec = cpu_to_le32((u32)ts->tv_nsec);

}

/*

 * sockaddr_storage <-> ceph_sockaddr