Remove broxygen Sphinx integration

The broxygen-generated files now live in the git repo, have tests
that check that they are up-to-date, and a script to re-generate
them on-demand.

doc/scripts/policy/protocols/dns/auth-addl.bro.rst

@@ -0,0 +1,28 @@
+:tocdepth: 3
+
+policy/protocols/dns/auth-addl.bro
+==================================
+.. bro:namespace:: DNS
+
+This script adds authoritative and additional responses for the current
+query to the DNS log.  It can cause severe overhead due to the need
+for all authoritative and additional responses to have events generated.
+This script is not recommended for use on heavily loaded links.
+
+:Namespace: DNS
+:Imports: :doc:`base/protocols/dns/main.bro </scripts/base/protocols/dns/main.bro>`
+
+Summary
+~~~~~~~
+Redefinitions
+#############
+================================================================ =
+:bro:type:`DNS::Info`: :bro:type:`record`                        
+:bro:id:`dns_skip_all_addl`: :bro:type:`bool` :bro:attr:`&redef` 
+:bro:id:`dns_skip_all_auth`: :bro:type:`bool` :bro:attr:`&redef` 
+================================================================ =
+
+
+Detailed Interface
+~~~~~~~~~~~~~~~~~~
+

doc/scripts/policy/protocols/dns/detect-external-names.bro.rst

@@ -0,0 +1,26 @@
+:tocdepth: 3
+
+policy/protocols/dns/detect-external-names.bro
+==============================================
+.. bro:namespace:: DNS
+
+This script detects names which are not within zones considered to be
+local but resolving to addresses considered local.  
+The :bro:id:`Site::local_zones` variable **must** be set appropriately for 
+this detection.
+
+:Namespace: DNS
+:Imports: :doc:`base/frameworks/notice </scripts/base/frameworks/notice/index>`, :doc:`base/utils/site.bro </scripts/base/utils/site.bro>`
+
+Summary
+~~~~~~~
+Redefinitions
+#############
+========================================== =
+:bro:type:`Notice::Type`: :bro:type:`enum` 
+========================================== =
+
+
+Detailed Interface
+~~~~~~~~~~~~~~~~~~
+