fix(vhosts/cleanup.sls): fix `salt-lint` errors

```bash
Examining apache/vhosts/cleanup.sls of type state
[206] Jinja variables should have spaces before and after: {{ var_name }}
apache/vhosts/cleanup.sls:29
    - onlyif: "test -L {{ dirpath}}/{{ filename }} || test -f {{ dirpath}}/{{ filename }}"
```

apache/vhosts/cleanup.sls

@@ -26,7 +26,7 @@ include:
 
 a2dissite {{ filename }}:
   cmd.run:
-    - onlyif: "test -L {{ dirpath}}/{{ filename }} || test -f {{ dirpath}}/{{ filename }}"
+    - onlyif: "test -L {{ dirpath }}/{{ filename }} || test -f {{ dirpath }}/{{ filename }}"
     - watch_in:
       - module: apache-reload
     - require_in: