Remove some unused static documentation source

community/server/src/docs/dev/rest-api/security.asciidoc

@@ -3,7 +3,6 @@
 
 In order to prevent unauthorized access to Neo4j, the REST API supports authorization and authentication.
 When enabled, requests to the REST API must be authorized using the username and password of a valid user.
-Authorization is enabled by default, see <<security-server-auth>> for how to disable it.
 
 When Neo4j is first installed you can authenticate with the default user `neo4j` and the default password `neo4j`.
 However, the default password must be changed (see <<rest-api-security-user-status-and-password-changing>>) before access to resources will be permitted.

community/server/src/docs/dev/rest-api/traversals.asciidoc

@@ -4,7 +4,7 @@
 [WARNING]
 The Traversal REST Endpoint executes arbitrary Javascript code under the hood as part of the evaluators definitions. In hosted and open environments, this can constitute a security risk.
 In these case, consider using declarative approaches like <<cypher>> or write your own server side plugin executing the
-interesting traversals with the Java API ( see <<server-plugins>> ) or secure your server, see <<operations-security>>.
+interesting traversals with the Java API ( see <<server-plugins>> ) or secure your server.
 
 Traversals are performed from a start node.
 The traversal is controlled by the URI and the body sent with the request.