Merge branch '6650-rspamd-worker-controller-type-attribute' into 'develop'

Resolve "rspamd worker-controller type attribute"

Closes #6650

See merge request ispconfig/ispconfig3!1854

Author: Till Brehm

server/conf/rspamd_worker-controller.inc.master

@@ -1,6 +1,5 @@
 # Included from top-level .conf file
 
-type = "controller";
 count = 1;
 password = "<tmpl_var name='rspamd_password'>";
 secure_ip = "127.0.0.1";