Updated data type for variable

Author: githubofkrishnadhas

variables.tf

@@ -4,24 +4,19 @@
 variable "resource_group_name" {
   type        = string
   description = "Azure Datafactory Rg"
-  default     = ""
 }
 
 variable "location" {
   type        = string
   description = "Azure Data factory location"
-  default     = ""
 }
 
 variable "data_factory_name" {
   description = "Azure Data factory name"
   type        = string
-  default     = ""
-
 }
 
 variable "environment" {
-  default     = "DEV"
   description = "Environment tag value in Azure"
   type        = string
   validation {
@@ -31,30 +26,26 @@ variable "environment" {
 }
 
 variable "application_name" {
-  default     = "devwithkrishna"
   description = "Azure application name tag"
+  type        = string
 }
 
 
 variable "temporary" {
-  default     = "TRUE"
   description = "Temporary tag value in Azure"
   type        = string
   validation {
     condition     = contains(["TRUE", "FALSE"], upper(var.temporary))
     error_message = "The temporary tag value must be either 'TRUE' or 'FALSE'."
   }
-
 }
 
 variable "managed_virtual_network_enabled" {
   description = "Is Managed Virtual Network enabled"
-  default     = "true"
   type        = string
 }
 
 variable "public_network_enabled" {
   description = "Is Public Network enabled"
-  default     = "true"
   type        = string
 }