chore(storage): tcp and udp fields for all servers

- Updater code sets UDP and TCP compatibility for all providers
- Increase servers.json model versions for affected providers (mullvad, windscribe, privado, protonvpn, privatevpn)
- Remove retro-compatibility server defaults
- Update all affected providers servers data (mullvad, windscribe, privado, protonvpn, privatevpn)

internal/models/server.go

@@ -35,14 +35,4 @@ func (s *Server) setDefaults() {
 		// If the VPN protocol isn't specified, assume it is OpenVPN.
 		s.VPN = vpn.OpenVPN
 	}
-
-	if !s.UDP && !s.TCP {
-		// If UDP and TCP are not precised:
-		// For OpenVPN, assume TCP and UDP are supported
-		// For Wireguard, UDP must be supported.
-		s.UDP = true
-		if s.VPN == vpn.OpenVPN {
-			s.TCP = true
-		}
-	}
 }