ovirt: Fix documentation for interface parameter (#37459)

lib/ansible/modules/cloud/ovirt/ovirt_disk.py

@@ -82,6 +82,7 @@ options:
     interface:
         description:
             - "Driver of the storage interface."
+            - "It's required parameter when creating the new disk."
         choices: ['virtio', 'ide', 'virtio_scsi']
         default: 'virtio'
     format:

lib/ansible/modules/cloud/ovirt/ovirt_nics.py

@@ -45,9 +45,9 @@ options:
             - Virtual network interface profile to be attached to VM network interface.
     interface:
         description:
-            - Type of the network interface.
+            - "Type of the network interface."
+            - "It's required parameter when creating the new NIC."
         choices: [ e1000, pci_passthrough, rtl8139, rtl8139_virtio, spapr_vlan, virtio ]
-        default: virtio
     mac_address:
         description:
             - Custom MAC address of the network interface, by default it's obtained from MAC pool.