fix(protonvpn): remove duplicate entry IPs

internal/provider/protonvpn/updater/iptoserver.go

@@ -14,7 +14,10 @@ func (its ipToServer) add(country, region, city, name, hostname string,
 	key := entryIP.String()
 
 	server, ok := its[key]
-	if !ok {
+	if ok {
+		return
+	}
+
 	server.VPN = vpn.OpenVPN
 	server.Country = country
 	server.Region = region
@@ -24,10 +27,6 @@ func (its ipToServer) add(country, region, city, name, hostname string,
 	server.UDP = true
 	server.TCP = true
 	server.IPs = []net.IP{entryIP}
-	} else {
-		server.IPs = append(server.IPs, entryIP)
-	}
-
 	its[key] = server
 }