shell-completion: drop deprecated cgroup controller suggestion

shell-completion/bash/systemd-cgtop

@@ -59,9 +59,7 @@ _systemd_cgtop() {
     fi
 
     COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
-    if [ -d /sys/fs/cgroup/systemd/ ]; then
-        COMPREPLY+=( $(cd /sys/fs/cgroup/systemd/ && compgen -o nospace -o dirnames "$cur") )
-    elif [ -d /sys/fs/cgroup/ ]; then
+    if [ -d /sys/fs/cgroup/ ]; then
         COMPREPLY+=( $(cd /sys/fs/cgroup/ && compgen -o nospace -o dirnames "$cur") )
     fi
 }

shell-completion/zsh/_systemd

@@ -28,8 +28,7 @@ case "$service" in
             '(- *)--version[Show package version]' \
             '--no-pager[Do not pipe output into a pager]' \
             '(-a --all)'{-a,--all}'[Show all groups, including empty]' \
-            '-k[Include kernel threads in output]' \
-            ':cgroups:(cpuset cpu cpuacct memory devices freezer blkio)'
+            '-k[Include kernel threads in output]'
         ;;
     systemd-cgtop)
         _arguments \