Updated maintainer information (now unmaintained) in package.xml and setup.py.

Signed-off-by: Ralph Lange <mail@lange-ralph.de>

Author: ralph-lange

launch_system_modes/package.xml

@@ -9,10 +9,12 @@
     System modes specific extensions to the launch tool, i.e. launch actions, events, and event
     handlers for system modes.
   </description>
-  <maintainer email="github@norro.de">Arne Nordmann</maintainer>
-  <maintainer email="ralph.lange@de.bosch.com">Ralph Lange</maintainer>
+  <maintainer email="ros-orphaned-packages@googlegroups.com">Unmaintained see http://wiki.ros.org/MaintenanceGuide#Claiming_Maintainership</maintainer>
   <license>Apache License 2.0</license>
 
+  <author email="github@norro.de">Arne Nordmann</author>
+  <author email="ralph.lange@de.bosch.com">Ralph Lange</author>
+
   <depend>ament_index_python</depend>
   <depend>launch</depend>
   <depend>system_modes_msgs</depend>

launch_system_modes/setup.py

@@ -19,8 +19,8 @@
         'system_modes_msgs',
         ],
     zip_safe=True,
-    maintainer='Arne Nordmann',
-    maintainer_email='github@norro.de',
+    maintainer='Unmaintained see http://wiki.ros.org/MaintenanceGuide#Claiming_Maintainership',
+    maintainer_email='ros-orphaned-packages@googlegroups.com',
     keywords=['ROS', 'launch', 'system modes'],
     description='System modes specific extensions to launch_ros.',
     license='Apache License 2.0',