fix: do not append peer ids to provider multiaddrs (#516)

When a routing returns a set of multiaddrs, honour them as returned
instead of appending the peer id to them.

packages/utils/src/routing.ts

@@ -64,14 +64,6 @@ export class Routing implements RoutingInterface, Startable {
         continue
       }
 
-      peer.multiaddrs = peer.multiaddrs.map(ma => {
-        if (ma.getPeerId() != null) {
-          return ma
-        }
-
-        return ma.encapsulate(`/p2p/${peer.id}`)
-      })
-
       // have to refresh peer info for this peer to get updated multiaddrs
       if (peer.multiaddrs.length === 0) {
         // already looking this peer up