Disable TLS by default

On SUSE distros, the default is for libvirtd to listen only on the
Unix Domain Socket. The libvirt client still provides remote access
via a SSH tunnel.
Index: libvirt-6.0.0/src/remote/remote_daemon_config.c
===================================================================
--- libvirt-6.0.0.orig/src/remote/remote_daemon_config.c
+++ libvirt-6.0.0/src/remote/remote_daemon_config.c
@@ -99,7 +99,7 @@ daemonConfigNew(bool privileged G_GNUC_U
 
 #ifdef WITH_IP
 # ifdef LIBVIRTD
-    data->listen_tls = 1; /* Only honoured if --listen is set */
+    data->listen_tls = 0; /* Only honoured if --listen is set */
 # else /* ! LIBVIRTD */
     data->listen_tls = 0; /* Always honoured, --listen doesn't exist. */
 # endif /* ! LIBVIRTD */
Index: libvirt-6.0.0/src/remote/libvirtd.conf.in
===================================================================
--- libvirt-6.0.0.orig/src/remote/libvirtd.conf.in
+++ libvirt-6.0.0/src/remote/libvirtd.conf.in
@@ -17,8 +17,8 @@
 # It is necessary to setup a CA and issue server certificates before
 # using this capability.
 #
-# This is enabled by default, uncomment this to disable it
-#listen_tls = 0
+# This is disabled by default, uncomment this to enable it
+#listen_tls = 1
 
 # Listen for unencrypted TCP connections on the public TCP/IP port.
 # NB, must pass the --listen flag to the @DAEMON_NAME@ process for this to