[skip ci] remove an obsolete comment

beacon_chain/libp2p_backend.nim

@@ -188,10 +188,14 @@ proc dialPeer*(node: Eth2Node, peerInfo: PeerInfo) {.async.} =
   discard await node.switch.dial(peerInfo)
   var peer = node.getPeer(peerInfo)
   peer.wasDialed = true
+
   debug "Initializing connection"
   await initializeConnection(peer)
+
+  # TODO: This should happen automatically in the future in nim-libp2p
   debug "Subscribing to pubsub"
   await peer.network.switch.subscribeToPeer(peer.info)
+
   inc libp2p_successful_dials
   debug "Network handshakes completed"
 

beacon_chain/sync_protocol.nim

@@ -156,15 +156,6 @@ proc handleInitialStatus(peer: Peer,
                          state: BeaconSyncNetworkState,
                          ourStatus: StatusMsg,
                          theirStatus: StatusMsg) {.async, gcsafe.} =
-  when networkBackend == libp2p:
-    # TODO: This doesn't seem like an appropraite place for this call,
-    # but it's hard to pick a better place at the moment.
-    # nim-libp2p plans to add a general `onPeerConnected` callback which
-    # will allow us to implement the subscription earlier.
-    # The root of the problem is that both sides must call `subscribeToPeer`
-    # before any GossipSub traffic will flow between them.
-    discard
-
   if theirStatus.forkVersion != state.forkVersion:
     notice "Irrelevant peer",
       peer, theirFork = theirStatus.forkVersion, ourFork = state.forkVersion