Remove defaults for required vars

roles/global_defaults/defaults/main.yml

@@ -1,45 +1,9 @@
 ---
-os: ""
-filesystem: ""
-hostname: ""
-install_type: "physical"
-hypervisor: "none"
-install_drive: "/dev/sda"
-boot_iso: ""
-rhel_iso: ""
-custom_iso: false
-cis: false
-selinux: true
-is_rhel: false
-is_debian: false
-
-hypervisor_url: ""
-hypervisor_username: ""
-hypervisor_password: ""
-hypervisor_datacenter: ""
-hypervisor_cluster: ""
-hypervisor_node: ""
-hypervisor_storage: ""
-vm_path: ""
-vmware_ssh: false
-vlan_name: ""
-note: ""
-
-vm_ip: ""
-vm_nms: 24
-vm_gw: ""
-vm_dns: ""
-vm_dns_search: ""
-vm_nif: "vmbr0"
-vm_id: 0
-vm_size: 0
-vm_memory: 0
 vm_cpus: 4
-vm_ballo: 0
-extra_packages: []
+cis_enabled: "{{ cis is defined and cis | bool }}"
+custom_iso_enabled: "{{ custom_iso is defined and custom_iso | bool }}"
 
 luks_enabled: false
-luks_passphrase: ""
 luks_mapper_name: "SYSTEM_DECRYPTED"
 luks_auto_decrypt: true
 luks_auto_decrypt_method: "tpm2"