queue: set_max_size: mark noexcept
queue: set_max_size: mark noexcept

Now that full() and notify_not_full() are noexcept.

Signed-off-by: Benny Halevy <23c997c90eb8537635e9392d48e7af1bf1b2ca22@scylladb.com>

syuu1228/seastar,avikivity/seastar,scylladb/seastar,scylladb/seastar,scylladb/seastar,avikivity/seastar,syuu1228/seastar,syuu1228/seastar,avikivity/seastar