chore: remove leftover code (#14109)

Signed-off-by: oninowang <[email protected]>

go.mod

@@ -30,7 +30,6 @@ require (
 	github.com/google/go-containerregistry v0.17.0
 	github.com/google/go-containerregistry/pkg/authn/k8schain v0.0.0-20220720195016-31786c6cbb82
 	github.com/gorilla/handlers v1.5.2
-	github.com/gorilla/websocket v1.5.1
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
@@ -105,6 +104,7 @@ require (
 	github.com/golang-jwt/jwt/v5 v5.2.1 // indirect
 	github.com/google/gnostic-models v0.6.8 // indirect
 	github.com/google/s2a-go v0.1.7 // indirect
+	github.com/gorilla/websocket v1.5.1 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 // indirect
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
 	github.com/jackc/pgconn v1.14.3 // indirect

workflow/common/util.go

@@ -5,11 +5,9 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"net/http"
 	"sort"
 	"strings"
 
-	"github.com/gorilla/websocket"
 	log "github.com/sirupsen/logrus"
 	apiv1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
@@ -19,7 +17,6 @@ import (
 
 	"github.com/argoproj/argo-workflows/v3/errors"
 	wfv1 "github.com/argoproj/argo-workflows/v3/pkg/apis/workflow/v1alpha1"
-	"github.com/argoproj/argo-workflows/v3/util"
 	"github.com/argoproj/argo-workflows/v3/util/template"
 )
 
@@ -44,21 +41,6 @@ func isSubPath(path string, normalizedMountPath string) bool {
 	return strings.HasPrefix(path, normalizedMountPath+"/")
 }
 
-type RoundTripCallback func(conn *websocket.Conn, resp *http.Response, err error) error
-
-type WebsocketRoundTripper struct {
-	Dialer *websocket.Dialer
-	Do     RoundTripCallback
-}
-
-func (d *WebsocketRoundTripper) RoundTrip(r *http.Request) (*http.Response, error) {
-	conn, resp, err := d.Dialer.Dial(r.URL.String(), r.Header)
-	if err == nil {
-		defer util.Close(conn)
-	}
-	return resp, d.Do(conn, resp, err)
-}
-
 // ExecPodContainer runs a command in a container in a pod and returns the remotecommand.Executor
 func ExecPodContainer(restConfig *rest.Config, namespace string, pod string, container string, stdout bool, stderr bool, command ...string) (exec remotecommand.Executor, err error) {
 	defer func() {