Remove Rancher v1 provider

pkg/redactor/redactor_config_test.go

@@ -29,7 +29,6 @@ import (
 	"github.com/traefik/traefik/v2/pkg/provider/kv/redis"
 	"github.com/traefik/traefik/v2/pkg/provider/kv/zk"
 	"github.com/traefik/traefik/v2/pkg/provider/marathon"
-	"github.com/traefik/traefik/v2/pkg/provider/rancher"
 	"github.com/traefik/traefik/v2/pkg/provider/rest"
 	traefiktls "github.com/traefik/traefik/v2/pkg/tls"
 	"github.com/traefik/traefik/v2/pkg/tracing/datadog"
@@ -675,17 +674,6 @@ func TestDo_staticConfiguration(t *testing.T) {
 		Insecure: true,
 	}
 
-	config.Providers.Rancher = &rancher.Provider{
-		Constraints:               `Label("foo", "bar")`,
-		Watch:                     true,
-		DefaultRule:               "PathPrefix(`/`)",
-		ExposedByDefault:          true,
-		EnableServiceHealthFilter: true,
-		RefreshSeconds:            42,
-		IntervalPoll:              true,
-		Prefix:                    "MyPrefix",
-	}
-
 	config.Providers.ConsulCatalog = &consulcatalog.ProviderBuilder{
 		Configuration: consulcatalog.Configuration{
 			Constraints: `Label("foo", "bar")`,

pkg/redactor/testdata/anonymized-static-config.json

@@ -180,16 +180,6 @@
     "rest": {
       "insecure": true
     },
-    "rancher": {
-      "constraints": "Label(\"foo\", \"bar\")",
-      "watch": true,
-      "defaultRule": "xxxx",
-      "exposedByDefault": true,
-      "enableServiceHealthFilter": true,
-      "refreshSeconds": 42,
-      "intervalPoll": true,
-      "prefix": "xxxx"
-    },
     "consulCatalog": {
       "constraints": "Label(\"foo\", \"bar\")",
       "endpoint": {

pkg/redactor/testdata/example.json

@@ -76,7 +76,6 @@
   "Mesos": null,
   "Eureka": null,
   "ECS": null,
-  "Rancher": null,
   "DynamoDB": null,
   "ConfigFile": "/etc/traefik/traefik.toml"
 }

pkg/redactor/testdata/expected.json

@@ -76,7 +76,6 @@
   "Mesos": null,
   "Eureka": null,
   "ECS": null,
-  "Rancher": null,
   "DynamoDB": null,
   "ConfigFile": "/etc/traefik/traefik.toml"
 }