Remove old HTML headers

Change-Id: I39107df88aeb89d3364ad479d8c313b7a79b9440
diff --git a/doc/source/guides/multinode-lab.rst b/doc/source/guides/multinode-lab.rst
index 0b1ebb9..1c53227 100644
--- a/doc/source/guides/multinode-lab.rst
+++ b/doc/source/guides/multinode-lab.rst
@@ -1,13 +1,6 @@
-`DevStack </>`__
-
--  `Overview <../overview.html>`__
--  `Changes <../changes.html>`__
--  `FAQ <../faq.html>`__
--  `git.openstack.org <https://git.openstack.org/cgit/openstack-dev/devstack>`__
--  `Gerrit <https://review.openstack.org/#/q/status:open+project:openstack-dev/devstack,n,z>`__
-
-Multi-Node Lab: Serious Stuff
-=============================
+==============
+Multi-Node Lab
+==============
 
 Here is OpenStack in a realistic test configuration with multiple
 physical servers.
diff --git a/doc/source/guides/single-machine.rst b/doc/source/guides/single-machine.rst
index 3e0a39c..6059511 100644
--- a/doc/source/guides/single-machine.rst
+++ b/doc/source/guides/single-machine.rst
@@ -1,13 +1,6 @@
-`DevStack </>`__
-
--  `Overview <../overview.html>`__
--  `Changes <../changes.html>`__
--  `FAQ <../faq.html>`__
--  `git.openstack.org <https://git.openstack.org/cgit/openstack-dev/devstack>`__
--  `Gerrit <https://review.openstack.org/#/q/status:open+project:openstack-dev/devstack,n,z>`__
-
-All-In-One: Dedicated Hardware
-==============================
+==========
+All-In-One
+==========
 
 Things are about to get real! Using OpenStack in containers or VMs is
 nice for kicking the tires, but doesn't compare to the feeling you get
diff --git a/doc/source/guides/single-vm.rst b/doc/source/guides/single-vm.rst
index 35efb14..d296db6 100644
--- a/doc/source/guides/single-vm.rst
+++ b/doc/source/guides/single-vm.rst
@@ -1,13 +1,6 @@
-`DevStack </>`__
-
--  `Overview <../overview.html>`__
--  `Changes <../changes.html>`__
--  `FAQ <../faq.html>`__
--  `git.openstack.org <https://git.openstack.org/cgit/openstack-dev/devstack>`__
--  `Gerrit <https://review.openstack.org/#/q/status:open+project:openstack-dev/devstack,n,z>`__
-
-Running a Cloud in a VM
-=======================
+=============
+Cloud in a VM
+=============
 
 Use the cloud to build the cloud! Use your cloud to launch new versions
 of OpenStack in about 5 minutes. When you break it, start over! The VMs