Remove doc references to parameters which has been removed.

doc/sphinx/reference/varnishd.rst

@@ -124,8 +124,7 @@ OPTIONS
   administrator a way to limit what the Varnish CLI can do.  Consider
   making parameters such as *user*, *group*, *cc_command*,
   *vcc_allow_inline_c* read only as these can potentially be used to
-  escalate privileges from the CLI.  Protecting *listen_address* may
-  also be a good idea.
+  escalate privileges from the CLI.
 
 -s <[name=]type[,options]>
 

doc/sphinx/users-guide/run_security.rst

@@ -156,12 +156,6 @@ interface.
 Pretty much any parameter can be used to totally mess up your
 HTTP service, but a few can do more damage than others:
 
-.. XXX :ref:`ref_param_user` and :ref:`ref_param_group`
-.. XXX	Access to local system via VCL
-
-:ref:`ref_param_listen_address`
-	Trojan other TCP sockets, like `ssh`
-
 :ref:`ref_param_cc_command`
 	Execute arbitrary programs