Cleanup synchrotron balancers

roles/synapse/tasks/worker_type.yml

@@ -33,8 +33,3 @@
 - name: Include worker instance tasks for {{ worker_type }}
   ansible.builtin.include_tasks: worker_instance.yml
   when: worker_ports|length == 0
-
-- name: Append synchrotron variable
-  ansible.builtin.set_fact:
-    synapse_synchrotrons: "{{ synapse_synchrotrons + [synchrotron_type] }}"
-  when: synchrotron_type is defined and synchrotron_type not in synapse_synchrotrons

roles/synapse/tasks/workers.yml

@@ -25,7 +25,6 @@
 - name: Initialize synapse worker vars
   ansible.builtin.set_fact:
     synapse_worker_services: []
-    synapse_synchrotrons: []
 
 - name: Configure workers
   ansible.builtin.include_tasks: worker_type.yml
@@ -45,4 +44,3 @@
 
 - name: Ensure synchrotron balancer removed (legacy)
   ansible.builtin.include_tasks: matrix-synchrotrons.yml
-  when: synapse_synchrotrons | length != 0