suffixalias is no longer supported

doc/man/man5/slapd.conf.5

@@ -1044,11 +1044,6 @@ required for each database definition.
 If the suffix of one database is "inside" that of another, the database
 with the inner suffix must come first in the configuration file.
 .TP
-.B suffixalias <alias> <aliased suffix>
-Specify an alternate suffix that may be used to reference an already defined
-database suffix. Operations specifying DNs residing under the alias 
-will execute as if they had specified the aliased suffix.
-.TP
 .B subordinate
 Specify that the current backend database is a subordinate of another
 backend database. A subordinate database may have only one suffix. This