tests/upgrade: drop glob exception for SELinux check

The issue described in coreos/fedora-coreos-tracker#1806
has since been fixed and a recent run didn't show these files as
being mislabeled so I think we can drop this exception.

Author: dustymabe

tests/kola/upgrade/extended/test.sh

@@ -211,9 +211,6 @@ selinux-sanity-check() {
         paths="$(echo "${mislabeled}" | grep "Would relabel" | cut -d ' ' -f 3)"
         found=""
         while read -r path; do
-            # Add in a few temporary glob exceptions
-            # https://github.com/coreos/fedora-coreos-tracker/issues/1806
-            [[ "${path}" =~ /etc/selinux/targeted/active/ ]] && continue
             if [[ "${exceptions[$path]:-noexception}" == 'noexception' ]]; then
                 echo "Unexpected mislabeled file found: ${path}"
                 found="1"