more fixes

internal/firewall/iptables/firewall.go

@@ -3,8 +3,6 @@ package iptables
 import (
 	"context"
 	"sync"
-
-	"github.com/qdm12/gluetun/internal/mod"
 )
 
 type Config struct {
@@ -15,8 +13,6 @@ type Config struct {
 	// Fixed state
 	ipTables  string
 	ip6Tables string
-	nftables  bool
-	xtMark    bool
 }
 
 func New(ctx context.Context, runner CmdRunner, logger Logger) (*Config, error) {
@@ -30,21 +26,10 @@ func New(ctx context.Context, runner CmdRunner, logger Logger) (*Config, error)
 		return nil, err
 	}
 
-	modules := map[string]bool{
-		"xt_mark":   false,
-		"nf_tables": false,
-	}
-	for module := range modules {
-		err := mod.Probe(module)
-		modules[module] = err == nil
-	}
-
 	return &Config{
 		runner:    runner,
 		logger:    logger,
 		ipTables:  iptables,
 		ip6Tables: ip6tables,
-		nftables:  modules["nf_tables"],
-		xtMark:    modules["xt_mark"],
 	}, nil
 }