Revert "Temporarily disable rootless debian e2e testing"

This reverts commit 02b8fd7.

.cirrus.yml

@@ -705,25 +705,7 @@ rootless_integration_test_task:
  # Docs: ./contrib/cirrus/CIModes.md
  only_if: *not_tag_branch_build_docs_machine
  depends_on: *build
- # FIXME: Fails on Debian rootless ref: #22625
- # matrix: *platform_axis
- # FIXME: Fails on Debian rootless ref: #22625
- matrix: # The following is just like *platform_axis minus Debian
- - env: *stdenvars
- - env:
- DISTRO_NV: ${PRIOR_FEDORA_NAME}
- VM_IMAGE_NAME: ${PRIOR_FEDORA_CACHE_IMAGE_NAME}
- CTR_FQIN: ${PRIOR_FEDORA_CONTAINER_FQIN}
- CI_DESIRED_RUNTIME: crun
- CI_DESIRED_DATABASE: boltdb
- CI_DESIRED_STORAGE: vfs
- # Catch invalid "TMPDIR == /tmp" assumptions; PR #19281
- TMPDIR: /var/tmp
- - env:
- <<: *stdenvars
- DISTRO_NV: ${RAWHIDE_NAME}
- VM_IMAGE_NAME: ${RAWHIDE_CACHE_IMAGE_NAME}
- CTR_FQIN: ""
+ matrix: *platform_axis
  gce_instance: *standardvm
  timeout_in: 50m
  env: