Use standard OSTree tests in amd64

Now that the new amd64 reference board is available run the standard
OSTree tests.

Signed-off-by: Walter Lozano <walter.lozano@collabora.com>

lava/profiles.yaml

@@ -120,7 +120,7 @@ profiles:
       pretty: "UP Squared 6000 board using target image"
       image_type: target
   - name: apertis_ostree-minimal-amd64-uefi
-    templates: *templates-base-ostree
+    templates: *templates-minimal-ostree
     variables:
       <<: *device-amd64-upsquared6000
       pretty: "UP Squared 6000 board using minimal OStree image"