Remove obsolete wg.Done calls in tests

These are no longer needed after using wg.Go

pkg/healthcheck/healthcheck_test.go

@@ -507,7 +507,6 @@ func TestDifferentIntervals(t *testing.T) {
 	wg := sync.WaitGroup{}
 	wg.Go(func() {
 		hc.Launch(ctx)
-		wg.Done()
 	})
 
 	select {

pkg/server/server_entrypoint_udp.go

@@ -51,8 +51,6 @@ func (eps UDPEntryPoints) Stop() {
 
 	for epn, ep := range eps {
 		wg.Go(func() {
-			defer wg.Done()
-
 			logger := log.With().Str(logs.EntryPointName, epn).Logger()
 			ep.Shutdown(logger.WithContext(context.Background()))