message: [onchaindiscovery] inline a call to send
  Closes:
  Approved by: davidiw
diff: @@ -11,7 +11,6 @@ use crate::{
  };
  use anyhow::{Context as _, Result};
  use futures::{
  - channel::mpsc,
  future::{Future, FutureExt},
  sink::SinkExt,
  stream::{FusedStream, Stream, StreamExt},
  @@ -304,13 +303,6 @@ where
  };
  }
  - async fn send_connectivity_request(
  - &mut self,
  - req: ConnectivityRequest,
  - ) -> Result<(), mpsc::SendError> {
  - self.conn_mgr_reqs_tx.send(req).await
  - }
  -
  async fn handle_new_discovery_set_event(&mut self, validator_set: ValidatorSet) {
  let latest_discovery_set =
  DiscoverySetInternal::from_validator_set(self.role, validator_set);
  @@ -334,7 +326,8 @@ where
  (*peer_id, addrs.clone())
  })
  .collect();
  - self.send_connectivity_request(ConnectivityRequest::UpdateAddresses(
  + self.conn_mgr_reqs_tx
  + .send(ConnectivityRequest::UpdateAddresses(
  DiscoverySource::OnChain,
  update_addr_reqs,
  ))
  