docs: don't use https in XML namespace URIs

The XML namespace URI for the QEMU/LXC drivers must use http as the protocol
otherwise it won't match the parser's expectations.
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

docs/drvlxc.html.in

@@ -601,7 +601,7 @@ rather than creating new network namespace for the container. In this case privn
 ignored.
 </p>
 <pre>
-&lt;domain type='lxc' xmlns:lxc='https://libvirt.org/schemas/domain/lxc/1.0'&gt;
+&lt;domain type='lxc' xmlns:lxc='http://libvirt.org/schemas/domain/lxc/1.0'&gt;
 ...
 &lt;lxc:namespace&gt;
   &lt;lxc:sharenet type='netns' value='red'/&gt;

docs/drvqemu.html.in

@@ -546,7 +546,7 @@ $ virsh domxml-to-native qemu-argv demo.xml
       (<span class="since">Since 0.8.3</span>).  In order to use the
       XML additions, it is necessary to issue an XML namespace request
       (the special <code>xmlns:<i>name</i></code> attribute) that
-      pulls in <code>https://libvirt.org/schemas/domain/qemu/1.0</code>;
+      pulls in <code>http://libvirt.org/schemas/domain/qemu/1.0</code>;
       typically, the namespace is given the name
       of <code>qemu</code>.  With the namespace in place, it is then
       possible to add an element <code>&lt;qemu:commandline&gt;</code>
@@ -566,7 +566,7 @@ $ virsh domxml-to-native qemu-argv demo.xml
           and optional <code>value</code>.</dd>
       </dl>
       <p>Example:</p><pre>
-&lt;domain type='qemu' xmlns:qemu='https://libvirt.org/schemas/domain/qemu/1.0'&gt;
+&lt;domain type='qemu' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'&gt;
   &lt;name&gt;QEmu-fedora-i686&lt;/name&gt;
   &lt;memory&gt;219200&lt;/memory&gt;
   &lt;os&gt;