actually cleanup grafana

grafana/init.sls

 {%- if 'grafana' in salt['pillar.get']('roles', []) %}
 include:
   - grafana.grafana
+{%- else %}
+grafana:
+  pkgrepo.absent: []
+  pkg.purged: []
+  file.absent:
+    - name: /etc/apt/sources.list.d/grafana.list
 {%- endif %}
-

top.sls

@@ -119,6 +119,7 @@
     - letsencrypt
     - meshviewer
     - api
+    - grafana
     - kernel
     - kernel.sysctl
     - varnish