Remove unused filterPrivateAddrs, has been replaced by connection gating

Author: oskarszoon

client.go

@@ -1052,48 +1052,3 @@ func PrivateKeyFromHex(keyHex string) (crypto.PrivKey, error) {
 
 	return priv, nil
 }
-
-// filterPrivateAddrs filters out private/local IP addresses from a list of multiaddrs.
-// Returns only public routable addresses suitable for cloud/shared hosting environments.
-func filterPrivateAddrs(addrs []multiaddr.Multiaddr) []multiaddr.Multiaddr {
-	filtered := make([]multiaddr.Multiaddr, 0, len(addrs))
-
-	for _, addr := range addrs {
-		// Convert multiaddr to net.Addr to check if it's private
-		netAddr, err := manet.ToNetAddr(addr)
-		if err != nil {
-			// If we can't parse it, skip it
-			continue
-		}
-
-		// Extract IP address
-		var ip net.IP
-		switch v := netAddr.(type) {
-		case *net.TCPAddr:
-			ip = v.IP
-		case *net.UDPAddr:
-			ip = v.IP
-		default:
-			// Unknown address type, skip it
-			continue
-		}
-
-		// Filter out private/local addresses
-		if isPrivateIP(ip) {
-			continue
-		}
-
-		filtered = append(filtered, addr)
-	}
-
-	return filtered
-}
-
-// isPrivateIP checks if an IP address is private or local using Go's standard library.
-// Returns true for:
-// - RFC1918 private networks (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16) via IP.IsPrivate()
-// - Link-local, loopback, and multicast addresses via built-in methods
-// - IPv6 unique local addresses (fc00::/7) via IP.IsPrivate()
-func isPrivateIP(ip net.IP) bool {
-	return ip.IsPrivate() || ip.IsLoopback() || ip.IsLinkLocalUnicast() || ip.IsLinkLocalMulticast()
-}