Remove some leftover debug statements

roles/matrix-server/tasks/setup_synapse_ext_rest_auth.yml

@@ -32,10 +32,6 @@
       {{ [{'name': 'rest_auth_provider', 'level': 'DEBUG'}] }}
   when: "matrix_synapse_ext_password_provider_rest_auth_enabled"
 
-- debug: var="matrix_synapse_container_additional_volumes"
-
-- debug: var="matrix_synapse_additional_loggers"
-
 #
 # Tasks related to getting rid of matrix-synapse-rest-auth (if it was previously enabled)
 #