chore: tf lint

Author: abhinavkumarsph

examples/dashboard/variables.tf

@@ -4,12 +4,6 @@ variable "pattern" {
   default     = "test-pattern-*"
 }
 
-variable "pattern_id" {
-  description = "The ID of index pattern"
-  type        = string
-  default     = "test"
-}
-
 variable "time_field_name" {
   description = "Field name which has the timestamp"
   type        = string