Replace go-bindata with Go embed

Co-authored-by: nrwiersma <nick@wiersma.co.za>

pkg/api/handler.go

@@ -6,7 +6,6 @@ import (
 	"reflect"
 	"strings"
 
-	assetfs "github.com/elazarl/go-bindata-assetfs"
 	"github.com/gorilla/mux"
 	"github.com/traefik/traefik/v2/pkg/config/dynamic"
 	"github.com/traefik/traefik/v2/pkg/config/runtime"
@@ -48,10 +47,7 @@ type RunTimeRepresentation struct {
 
 // Handler serves the configuration and status of Traefik on API endpoints.
 type Handler struct {
-	dashboard       bool
-	debug           bool
-	staticConfig    static.Configuration
-	dashboardAssets *assetfs.AssetFS
+	staticConfig static.Configuration
 
 	// runtimeConfiguration is the data set used to create all the data representations exposed by the API.
 	runtimeConfiguration *runtime.Configuration
@@ -73,11 +69,8 @@ func New(staticConfig static.Configuration, runtimeConfig *runtime.Configuration
 	}
 
 	return &Handler{
-		dashboard:            staticConfig.API.Dashboard,
-		dashboardAssets:      staticConfig.API.DashboardAssets,
 		runtimeConfiguration: rConfig,
 		staticConfig:         staticConfig,
-		debug:                staticConfig.API.Debug,
 	}
 }
 
@@ -85,7 +78,7 @@ func New(staticConfig static.Configuration, runtimeConfig *runtime.Configuration
 func (h Handler) createRouter() *mux.Router {
 	router := mux.NewRouter()
 
-	if h.debug {
+	if h.staticConfig.API.Debug {
 		DebugHandler{}.Append(router)
 	}
 
@@ -118,10 +111,6 @@ func (h Handler) createRouter() *mux.Router {
 
 	version.Handler{}.Append(router)
 
-	if h.dashboard {
-		DashboardHandler{Assets: h.dashboardAssets}.Append(router)
-	}
-
 	return router
 }