p2p: Remove SetCommonVersion() from VERACK handler

SetCommonVersion() is already called from the VERSION message handler.
There is no change in behavior on the P2P network.

src/net_processing.cpp

@@ -2523,8 +2523,6 @@ void PeerManager::ProcessMessage(CNode& pfrom, const std::string& msg_type, CDat
 
     if (msg_type == NetMsgType::VERACK)
     {
-        pfrom.SetCommonVersion(std::min(pfrom.nVersion.load(), PROTOCOL_VERSION));
-
         if (!pfrom.IsInboundConn()) {
             // Mark this node as currently connected, so we update its timestamp later.
             LOCK(cs_main);