use helm native traefik dashboard ingress

oci-managed/nlb/variables.tf

@@ -22,7 +22,7 @@ variable "traefik_chart_version" {
 variable "timeout_seconds" {
   type        = number
   description = "Helm chart deployment can sometimes take longer than the default 5 minutes. Set a custom timeout here."
-  default     = 800 # 10 minutes
+  default     = 180 # 10 minutes
 }
 
 variable "replica_count" {
@@ -38,9 +38,4 @@ variable "values_file" {
 
 variable "traefik_template_values" {
   default = {}
-}
-
-variable "traefik_dashboard_ingress_file" {
-  description = "The name of the kubernetes manifest file to use"
-  type        = string
 }