Do not set cgroupv1 flags anymore since we don't need it

Author: nickygerritsen

provision-contest/ansible/roles/judgedaemon/tasks/main.yml

@@ -52,7 +52,7 @@
 
 - name: Pre-generate the kernel flags for ansible usage
   set_fact:
-    procline: "apparmor=0 systemd.unified_cgroup_hierarchy=0 cgroup_enable=memory swapaccount=1 isolcpus={{ cpucore | join(',') }}"
+    procline: "apparmor=0 swapaccount=1 isolcpus={{ cpucore | join(',') }}"
 
 - name: Add cgroup kernel parameters
   lineinfile: