Moved rmf_demos to use ros_gz_bridge instead of ros_ign_bridge (#173)

This is due to the renaming. It is best that we rely on the ros_gz_* packages as ros_ign_packages are only a shim

Signed-off-by: Arjo Chakravarty <arjo@openrobotics.org>
Co-authored-by: Yadu <yadunund@gmail.com>
Co-authored-by: Yadu <yadunund@openrobotics.org>

rmf_demos_gz/launch/include/airport_terminal/airport_terminal_caddy.launch.xml

@@ -9,6 +9,6 @@
       <remap from="/cmd_vel" to="/model/caddy/cmd_vel"/> <!-- remap topic name for the diff_drive ignition plugin -->
     </node>
     <!-- Let diff drive ignition plugin read from /model/caddy/cmd_vel topic published to by the teleop_twist_keyboard -->
-    <node pkg="ros_ign_bridge" exec="parameter_bridge" args="/model/caddy/cmd_vel@geometry_msgs/msg/Twist@ignition.msgs.Twist"></node>
+    <node pkg="ros_gz_bridge" exec="parameter_bridge" args="/model/caddy/cmd_vel@geometry_msgs/msg/Twist@ignition.msgs.Twist"></node>
   </group>
-</launch>
+</launch>

rmf_demos_gz/launch/simulation.launch.xml

@@ -40,8 +40,8 @@
     </executable>
   </group>
 
-  <!-- ros_ign bridge for simulation clock -->
-  <node pkg="ros_ign_bridge" exec="parameter_bridge"
+  <!-- ros_gz bridge for simulation clock -->
+  <node pkg="ros_gz_bridge" exec="parameter_bridge"
     args="/clock@rosgraph_msgs/msg/Clock[ignition.msgs.Clock"
     />
 

rmf_demos_gz/package.xml

@@ -19,7 +19,7 @@
   <exec_depend>launch_xml</exec_depend>
   <exec_depend>ignition-fortress</exec_depend>
 
-  <exec_depend>ros_ign_bridge</exec_depend>
+  <exec_depend>ros_gz_bridge</exec_depend>
 
   <export>
     <build_type>ament_cmake</build_type>