refactor: remove unnecessary peermanager dependency (#1474)

waku/v2/node/waku_node.nim

@@ -382,7 +382,7 @@ proc mountRelay*(node: WakuNode,
   info "mounting relay protocol"
 
   let initRes = WakuRelay.new(
-    node.peerManager,
+    node.switch,
     defaultPubsubTopics = concat(@[DefaultPubsubTopic], topics),
     triggerSelf = triggerSelf
   )

waku/v2/protocol/waku_relay.nim

@@ -16,9 +16,9 @@ import
   libp2p/protocols/pubsub/pubsub,
   libp2p/protocols/pubsub/rpc/messages,
   libp2p/protocols/pubsub/gossipsub,
-  libp2p/stream/connection
+  libp2p/stream/connection,
+  libp2p/switch
 import
-  ../node/peer_manager/peer_manager,
   ./waku_message
 
 logScope:
@@ -36,7 +36,6 @@ type
 
 type
   WakuRelay* = ref object of GossipSub
-    peerManager: PeerManager
     defaultPubsubTopics*: seq[PubsubTopic] # Default configured PubSub topics
 
 
@@ -77,7 +76,7 @@ method initPubSub(w: WakuRelay) {.raises: [InitializationError].} =
 
 
 proc new*(T: type WakuRelay,
-          peerManager: PeerManager, 
+          switch: Switch,
           defaultPubsubTopics: seq[PubsubTopic] = @[],
           triggerSelf: bool = true): WakuRelayResult[T] =
 
@@ -91,7 +90,7 @@ proc new*(T: type WakuRelay,
   var wr: WakuRelay
   try:
     wr = WakuRelay.init(
-      switch = peerManager.switch,
+      switch = switch,
       msgIdProvider = msgIdProvider,
       triggerSelf = triggerSelf,
       sign = false,
@@ -101,7 +100,6 @@ proc new*(T: type WakuRelay,
   except InitializationError:
     return err("initialization error: " & getCurrentExceptionMsg())
 
-  wr.peerManager = peerManager
   wr.defaultPubsubTopics = defaultPubsubTopics
 
   ok(wr)