Remove an unnecessary comment in nftables output

(It's redundant with the chain name.)

Author: danwinship

pkg/proxy/nftables/proxier.go

@@ -1364,7 +1364,6 @@ func (proxier *Proxier) syncProxyRules() {
 					Value: []string{
 						fmt.Sprintf("goto %s", fwChain),
 					},
-					Comment: &svcPortNameString,
 				})
 			}
 		}

pkg/proxy/nftables/proxier_test.go

@@ -445,7 +445,7 @@ func TestOverallNFTablesRules(t *testing.T) {
 		add element ip kube-proxy service-ips { 172.30.0.45 . tcp . 80 : goto service-HVFWP5L3-ns5/svc5/tcp/p80 }
 		add element ip kube-proxy service-ips { 5.6.7.8 . tcp . 80 : goto external-HVFWP5L3-ns5/svc5/tcp/p80 }
 		add element ip kube-proxy service-nodeports { tcp . 3002 : goto external-HVFWP5L3-ns5/svc5/tcp/p80 }
-		add element ip kube-proxy firewall-ips { 5.6.7.8 . tcp . 80 comment "ns5/svc5:p80" : goto firewall-HVFWP5L3-ns5/svc5/tcp/p80 }
+		add element ip kube-proxy firewall-ips { 5.6.7.8 . tcp . 80 : goto firewall-HVFWP5L3-ns5/svc5/tcp/p80 }
 
 		# svc6
 		add element ip kube-proxy cluster-ips { 172.30.0.46 }