Remove the dbus example since dbus-binding-tool is part of a deprecated library for D-Bus IPC

demos/dbus/main.c

@@ -1,3 +0,0 @@
-int main() {
-	return 0;
-}

demos/dbus/test.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<node name="/org/freedesktop/DBus/Properties">
- <interface name="org.freedesktop.DBus.Properties">
-   <method name="Set">
-     <arg type="s" name="interface_name"/>
-     <arg type="s" name="property_name"/>
-     <arg type="v" name="value"/>
-   </method>
- </interface>
-</node>

demos/dbus/wscript

@@ -1,21 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2010 (ita)
-
-VERSION = '1.0'
-
-def options(opt):
-	opt.load('compiler_c')
-
-def configure(conf):
-	conf.load('compiler_c dbus')
-	conf.find_program('glib-genmarshal') # required on a few systems
-
-def build(bld):
-	tg = bld.program(
-		includes = '.',
-		source = bld.path.ant_glob('*.c'),
-		target = 'gnome-hello')
-
-	tg.add_dbus_file('test.xml', 'test_prefix', 'glib-server')
-