clamav: Fix enabling and starting service

Correct way to enable instantiated services is to just run
"systemctl enable name@arg.service". This will automatically create
required service files based on "name@.service". Disabling service
again removes required files.

roles/clamav/tasks/main.yml

@@ -32,15 +32,6 @@
     line: "LocalSocketMode 666"
   notify: restart clamd
 
-- name: link clamd service
-  file:
-    dest: /etc/systemd/system/clamd@scan.service
-    src: /lib/systemd/system/clamd@.service
-    state: link
-    owner: root
-    group: "{{ ansible_wheel }}"
-    follow: false
-
 - name: enable services
   service:
     name: "{{ item }}"