Fix incorrect service name

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/887

roles/matrix-bot-matrix-reminder-bot/tasks/setup_uninstall.yml

@@ -7,7 +7,7 @@
 
 - name: Ensure matrix-matrix-reminder-bot is stopped
   service:
-    name: matrix-matrix-reminder-bot
+    name: matrix-bot-matrix-reminder-bot
     state: stopped
     daemon_reload: yes
   register: stopping_result