feat(server): remove external endpoint feature (#3837)

* fix(prettier): auto format html files (#3836)

* refactor(main): remove reference to external endpoints

* refactor(cli): remove parsing of external endpoints param

* refactor(portainer): remove types for external endpoints

* refactor(endpoints): remove warning for external endpoints

* refactor(endpoints): remove endpoint management setting

* refactor(endpoints): remove ref to endpoint management

* fix(main): remove endpoint management

api/http/handler/endpoints/handler.go

@@ -11,12 +11,6 @@ import (
 	"github.com/gorilla/mux"
 )
 
-const (
-	// ErrEndpointManagementDisabled is an error raised when trying to access the endpoints management endpoints
-	// when the server has been started with the --external-endpoints flag
-	ErrEndpointManagementDisabled = portainer.Error("Endpoint management is disabled")
-)
-
 func hideFields(endpoint *portainer.Endpoint) {
 	endpoint.AzureCredentials = portainer.AzureCredentials{}
 	if len(endpoint.Snapshots) > 0 {
@@ -27,7 +21,6 @@ func hideFields(endpoint *portainer.Endpoint) {
 // Handler is the HTTP handler used to handle endpoint operations.
 type Handler struct {
 	*mux.Router
-	authorizeEndpointManagement bool
 	requestBouncer              *security.RequestBouncer
 	AuthorizationService        *portainer.AuthorizationService
 	EdgeGroupService            portainer.EdgeGroupService
@@ -45,10 +38,9 @@ type Handler struct {
 }
 
 // NewHandler creates a handler to manage endpoint operations.
-func NewHandler(bouncer *security.RequestBouncer, authorizeEndpointManagement bool) *Handler {
+func NewHandler(bouncer *security.RequestBouncer) *Handler {
 	h := &Handler{
 		Router:                      mux.NewRouter(),
-		authorizeEndpointManagement: authorizeEndpointManagement,
 		requestBouncer:              bouncer,
 	}