tests: No longer skip smoke-lxc when cgroups v1&v2 are both present

libvirt 7.9.0 contains the fix for the issue that resulted in
this being necessary, so we can drop it now.

This reverts commit fbc728f8

debian/tests/smoke-lxc

@@ -24,18 +24,6 @@ check_domain()
 
 trap cleanup EXIT
 
-# This is an upstream bug due to combined cgroup v1/v2 handling
-# https://bugs.archlinux.org/task/70174
-# https://bugzilla.opensuse.org/show_bug.cgi?id=1183247
-# https://gitlab.com/libvirt/libvirt/-/issues/182
-# https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1934966
-# Skip this test (until the upstream issue is resolved) in case v1&v2
-# cgroup are present in the test environment.
-if [ -n "$(findmnt -lnt cgroup)" ] && [ -n "$(findmnt -lnt cgroup2)" ]; then
-    echo "Libvirt >=7.1.0 is known to fail LXC handling (issue 182) - skipping".
-    exit 77
-fi
-
 set -x
 virt-host-validate lxc || exit 0
 virsh capabilities