These services get stopped already.

They're in here twice.

playbooks/roles/stop_all_edx_services/handlers/main.yml

@@ -39,12 +39,6 @@
 - name: stop supervisor.devpi
   service: name=supervisor.devpi state=stopped arguments="{{ STOP_ALL_EDX_SERVICES_EXTRA_ARGS }}"
 
-- name: stop nginx
-  service: name=nginx state=stopped arguments="{{ STOP_ALL_EDX_SERVICES_EXTRA_ARGS }}"
-
-- name: stop rabbitmq-server
-  service: name=rabbitmq-server state=stopped arguments="{{ STOP_ALL_EDX_SERVICES_EXTRA_ARGS }}"
-
 - name: stop mongodb
   service: name=mongodb state=stopped arguments="{{ STOP_ALL_EDX_SERVICES_EXTRA_ARGS }}"