Anonymous: Enforce org role Viewer setting (#102070)

* Anon: Remove org role setting

* remove from ini

* remove setting from documentation

pkg/setting/setting_anonymous.go

@@ -3,7 +3,6 @@ package setting
 type AnonymousSettings struct {
 	Enabled     bool
 	OrgName     string
-	OrgRole     string
 	HideVersion bool
 	DeviceLimit int64
 }
@@ -14,12 +13,7 @@ func (cfg *Cfg) readAnonymousSettings() {
 	anonSettings := AnonymousSettings{}
 	anonSettings.Enabled = anonSection.Key("enabled").MustBool(false)
 	anonSettings.OrgName = valueAsString(anonSection, "org_name", "")
-	// Deprecated:
-	// only viewer role is supported
-	anonSettings.OrgRole = valueAsString(anonSection, "org_role", "")
-	if anonSettings.OrgRole != "Viewer" {
-		cfg.Logger.Warn("auth.anonymous.org_role is deprecated, only viewer role is supported")
-	}
+
 	anonSettings.HideVersion = anonSection.Key("hide_version").MustBool(false)
 	anonSettings.DeviceLimit = anonSection.Key("device_limit").MustInt64(0)
 	cfg.Anonymous = anonSettings