feat(cloudflare): drop public auth.fuzefront.com tunnel route/DNS

[izzywdev]

Auto-opened from branch claude/issue-255-20260714-1357.

Closes #255

[github-actions]

terraform plan — terraform/contabo

Merging this PR applies exactly this saved plan (-out=tfplan). Review it as the apply approval.

Show plan

Terraform used the selected providers to generate the following execution
plan. Resource actions are indicated with the following symbols:
  - destroy

Terraform will perform the following actions:

  # cloudflare_record.vanity["auth"] will be destroyed
  # (because key ["auth"] is not in for_each map)
  - resource "cloudflare_record" "vanity" {
      - allow_overwrite = false -> null
      - created_on      = "2026-06-24T21:31:04.527639Z" -> null
      - hostname        = "auth.fuzefront.com" -> null
      - id              = "4bb3ef2cc1eb4cb0036a0e804a943f85" -> null
      - metadata        = {} -> null
      - modified_on     = "2026-06-24T21:31:04.527639Z" -> null
      - name            = "auth" -> null
      - proxiable       = true -> null
      - proxied         = true -> null
      - tags            = [] -> null
      - ttl             = 1 -> null
      - type            = "CNAME" -> null
      - value           = "8c0180f1-34d4-4c79-b1c0-7edfbc016376.cfargotunnel.com" -> null
      - zone_id         = "94eaf85fb0ed9a26b5645af10fed0788" -> null
        # (1 unchanged attribute hidden)
    }

Plan: 0 to add, 0 to change, 1 to destroy.