Drop aufs-specific kludges from AppArmor policy
Originally created by @intrigeri on #12112 (Redmine)
In config/chroot_local-patches/* we have things like
/var/.wh..wh.spool.*/, that only make sense for aufs. We should drop
them to ease maintenance of these patches, once we use overlayfs.
Parent Task: #8415 (closed)