Run metal3 integration job using UEFI boot (default)

The fix for UEFI boot on ubuntu noble in metal3-dev-env [1]
has merged, we should be able to run it now with no
changes.

[1] https://github.com/metal3-io/metal3-dev-env/pull/1497

Change-Id: I5563d79540ce0ab1e299161a1fc9f484ba7cdf7f
Signed-off-by: Riccardo Pittau <elfosardo@gmail.com>

playbooks/metal3-ci/post.yaml

@@ -105,7 +105,7 @@
     - name: Copy libvirt logs
       ignore_errors: true
       copy:
-        src: /var/log/libvirt/qemu/
+        src: /var/log/libvirt/
         dest: "{{ logs_root }}/libvirt/"
         remote_src: true
       become: true

playbooks/metal3-ci/run.yaml

@@ -6,7 +6,6 @@
         metal3_dev_env_src_dir: '{{ ansible_user_dir }}/metal3-dev-env'
         metal3_environment:
           ANSIBLE_VERBOSITY: 2
-          BOOT_MODE: "legacy"
           CONTROL_PLANE_MACHINE_COUNT: 1
           DOCKER_REGISTRY_IMAGE: "quay.io/libpod/registry:2.8"
           IMAGE_OS: ubuntu