Use implicit 'by * none' and =rs

tests/data/slapd-acl.conf

@@ -29,17 +29,15 @@ defaultaccess	none
 #
 
 access		to attr=objectclass
-		by * read
+		by * =rs
 
 access		to filter="objectclass=person" attr=userpassword
 		by anonymous auth
 		by self write
-		by * none
 
 access		to dn="^.*,ou=Alumni Association,ou=People,o=University of Michigan,c=US$"
 		by anonymous auth
 		by dn="^.*,o=University of Michigan,c=US$" read
-		by * none
 
 access		to attr=member
 		by dnattr=member selfwrite