pkg/metrix: remove unused import

Signed-off-by: Kornilios Kourtis <[email protected]>

go.mod

@@ -39,6 +39,7 @@ require (
 	github.com/vishvananda/netlink v1.2.1-beta.2.0.20230807190133-6afddb37c1f0
 	go.uber.org/atomic v1.11.0
 	go.uber.org/multierr v1.11.0
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9
 	golang.org/x/sync v0.4.0
 	golang.org/x/sys v0.13.0
 	golang.org/x/time v0.3.0
@@ -169,7 +170,6 @@ require (
 	go.opentelemetry.io/otel/trace v1.17.0 // indirect
 	go.uber.org/dig v1.17.0 // indirect
 	go.uber.org/zap v1.25.0 // indirect
-	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
 	golang.org/x/mod v0.12.0 // indirect
 	golang.org/x/net v0.17.0 // indirect
 	golang.org/x/oauth2 v0.12.0 // indirect

pkg/metrics/metrics.go

@@ -5,7 +5,6 @@ package metrics
 
 import (
 	"net/http"
-	"slices"
 	"sync"
 
 	"github.com/cilium/tetragon/pkg/logger"