Silence NoPeers discovery errors

[tomaka]

People keep mentioning this warning about no peers, but there's actually nothing that can be done anyway, and thus no point in printing the warning.

[mergify]

Automatically approving tomaka's pull requests. This auto-approval will be removed once more maintainers are active.

[github-actions]

twiggy diff report

Difference in .wasm size before and after this pull request.

---

 Delta Bytes │ Item
─────────────┼──────────────────────────────────────────────────────────────────────────────────────────────────────
        +257 ┊ <smoldot::network::kademlia::DecodeFindNodeResponseError as core::fmt::Debug>::fmt::h3bb361b11c516709
        +208 ┊ data[0]
        +158 ┊ <smoldot::network::service::KademliaFindNodeError as core::fmt::Debug>::fmt::hfd2a1e15d280f687
        +157 ┊ <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll::hca1ac2aa7e090d3c
        +127 ┊ <smoldot::network::service::DiscoveryError as core::fmt::Debug>::fmt::h5cfbb2176e6bfc48
         +70 ┊ <smoldot::libp2p::multiaddr::FromVecError as core::fmt::Debug>::fmt::h3e1d448e30e50d8c
         +20 ┊ <smoldot::network::kademlia::ProtobufDecodeError as core::fmt::Debug>::fmt::h61934490a3c05d5c
         +20 ┊ elem[0]
         +17 ┊ <&T as core::fmt::Debug>::fmt::h12bfc46d392c72fb
         +17 ┊ <&T as core::fmt::Debug>::fmt::h4ad1fc00e3d41706
         +14 ┊ <&T as core::fmt::Debug>::fmt::h6d50a40819b163a6
         +14 ┊ <&T as core::fmt::Debug>::fmt::hb9638d155cf0bf92
          +4 ┊ core::ptr::drop_in_place<&smoldot::libp2p::multiaddr::FromVecError>::haab26b9cdfb85791
          +4 ┊ core::ptr::drop_in_place<&smoldot::libp2p::peer_id::FromBytesError>::hd5fced6dbeaa76de
          +4 ┊ core::ptr::drop_in_place<&smoldot::network::kademlia::DecodeFindNodeResponseError>::hf27c0f8bfae42397
          +4 ┊ core::ptr::drop_in_place<&smoldot::network::kademlia::ProtobufDecodeError>::h217bafa224216645
          +4 ┊ core::ptr::drop_in_place<&smoldot::network::service::KademliaFindNodeError>::h97e27b519b87037a
       +2525 ┊ Σ [17 Total Rows]

[melekes]

👍