ci(lint): setup golangci-lint

Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>

plugins/meta/bandwidth/ifb_creator.go

@@ -19,9 +19,9 @@ import (
 	"net"
 	"syscall"
 
-	"github.com/containernetworking/plugins/pkg/ip"
-
 	"github.com/vishvananda/netlink"
+
+	"github.com/containernetworking/plugins/pkg/ip"
 )
 
 const latencyInMillis = 25
@@ -34,7 +34,6 @@ func CreateIfb(ifbDeviceName string, mtu int) error {
 			MTU:   mtu,
 		},
 	})
-
 	if err != nil {
 		return fmt.Errorf("adding link: %s", err)
 	}
@@ -147,10 +146,6 @@ func createTBF(rateInBits, burstInBits uint64, linkIndex int) error {
 	return nil
 }
 
-func tick2Time(tick uint32) uint32 {
-	return uint32(float64(tick) / float64(netlink.TickInUsec()))
-}
-
 func time2Tick(time uint32) uint32 {
 	return uint32(float64(time) * float64(netlink.TickInUsec()))
 }