fix: fjernet retention policy

Ser ikke ut til at det er støttet lenger, ref. hashicorp/terraform-provider-azurerm#23051

main.tf

@@ -21,14 +21,6 @@ resource "azurerm_monitor_diagnostic_setting" "diagnostic_setting" {
     for_each = var.log_category_types
     content {
       category = enabled_log.value
-
-      # TODO: The `retention_policy` has been deprecated in favor of `azurerm_storage_management_policy` resource.
-      # Learn more information on the deprecation [in the Azure documentation](https://aka.ms/diagnostic_settings_log_retention).
-      # https://github.com/hashicorp/terraform-provider-azurerm/pull/23260
-      # https://github.com/hashicorp/terraform-provider-azurerm/issues/23051
-      retention_policy {
-        enabled = true
-      }
     }
   }
 
@@ -38,14 +30,6 @@ resource "azurerm_monitor_diagnostic_setting" "diagnostic_setting" {
     content {
       category = metric.value
       enabled  = true
-
-      # TODO: The `retention_policy` has been deprecated in favor of `azurerm_storage_management_policy` resource.
-      # Learn more information on the deprecation [in the Azure documentation](https://aka.ms/diagnostic_settings_log_retention).
-      # https://github.com/hashicorp/terraform-provider-azurerm/pull/23260
-      # https://github.com/hashicorp/terraform-provider-azurerm/issues/23051
-      retention_policy {
-        enabled = true
-      }
     }
   }
 }