remove mappings from ldap uid/gid to dovecot uid/gid

roles/dovecot/templates/dovecot-ldap.conf.ext.j2

@@ -31,11 +31,3 @@ scope = subtree
 
 # ldap filter, return an entity that is a virtual mail account
 user_filter = (&(objectClass=VirtualMailAccount)(mail=%n)(accountActive=TRUE)(delete=FALSE))
-
-# to prevent the uid and gid mappings from the ldap object to
-# dovecot mailbox, we map them to unused ldap fields
-# the sytnax is: "ldap_attribute = dovecot_attribute"
-# this is done because otherwise dovecot will deliver
-# emails to the user directory instead of the maildir directory
-# handled by the user postman
-user_attrs = disablehomeDirectory=home,disableuidNumber=uid,disablegidNumber=gid