remove unnecessary launch-prefix tag

Author: mkquda

planning/autoware_trajectory_modifier/launch/trajectory_modifier.launch.xml

@@ -14,7 +14,7 @@
   />
   <let name="trajectory_modifier_launch_modules" value="$(eval &quot;'$(var trajectory_modifier_launch_modules)' + '$(var launch_modules_list_end)'&quot;)"/>
 
-  <node pkg="autoware_trajectory_modifier" exec="autoware_trajectory_modifier_node" name="trajectory_modifier" output="screen" launch-prefix="konsole -e gdb -ex run --args">
+  <node pkg="autoware_trajectory_modifier" exec="autoware_trajectory_modifier_node" name="trajectory_modifier" output="screen">
     <param from="$(var trajectory_modifier_param_path)"/>
     <param name="launch_modules" value="$(var trajectory_modifier_launch_modules)"/>
     <remap from="~/input/candidate_trajectories" to="$(var input_candidate_trajectories)"/>