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/frameworks/control/controllee.bro.rst

@@ -0,0 +1,24 @@
+:tocdepth: 3
+
+policy/frameworks/control/controllee.bro
+========================================
+.. bro:namespace:: Control
+
+The controllee portion of the control framework.  Load this script if remote
+runtime control of the Bro process is desired.
+
+A controllee only needs to load the controllee script in addition
+to the specific analysis scripts desired.  It may also need a node
+configured as a controller node in the communications nodes configuration::
+
+    bro <scripts> frameworks/control/controllee
+
+:Namespace: Control
+:Imports: :doc:`base/frameworks/broker </scripts/base/frameworks/broker/index>`, :doc:`base/frameworks/control </scripts/base/frameworks/control/index>`
+
+Summary
+~~~~~~~
+
+Detailed Interface
+~~~~~~~~~~~~~~~~~~
+

doc/scripts/policy/frameworks/control/controller.bro.rst

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+:tocdepth: 3
+
+policy/frameworks/control/controller.bro
+========================================
+.. bro:namespace:: Control
+
+This is a utility script that implements the controller interface for the
+control framework.  It's intended to be run to control a remote Bro
+and then shutdown.
+
+It's intended to be used from the command line like this::
+
+    bro <scripts> frameworks/control/controller Control::host=<host_addr> Control::host_port=<host_port> Control::cmd=<command> [Control::arg=<arg>]
+
+:Namespace: Control
+:Imports: :doc:`base/frameworks/broker </scripts/base/frameworks/broker/index>`, :doc:`base/frameworks/control </scripts/base/frameworks/control/index>`
+
+Summary
+~~~~~~~
+
+Detailed Interface
+~~~~~~~~~~~~~~~~~~
+