pkg(containerd): remove rpm version-constraint for container-selinux

[crazy-max]

follow-up:

• [main] minor cleanup now that this branch is for containerd 1.7+ containerd-packaging#361

Also removes libtool-ltdl-devel related to: https://github.com/docker/packaging/actions/runs/15825130078/job/44603303125?pr=226#step:7:1506

0.351 Updating Subscription Management repositories.
0.351 Unable to read consumer identity
0.355 
0.355 This system is not registered with an entitlement server. You can use subscription-manager to register.
0.355 
0.400 Last metadata expiration check: 0:00:08 ago on Mon Jun 23 13:10:00 2025.
0.534 No matching package to install: 'libtool-ltdl-devel'
0.534 Package systemd-239-82.el8_10.5.x86_64 is already installed.
0.535 Not all dependencies satisfied
0.546 Error: Some packages could not be found.

Not used upstream either: https://github.com/docker/containerd-packaging/blob/2161c611a72887063f4a054aeef4343ebc5ae91f/rpm/containerd.spec#L68-L71