katana_teleop: removed cyborgevo + ps3 nodes

These were outdated anyway.

Conflicts:
	katana_teleop/manifest.xml
katana: katana now provides GripperCommandAction instead of GraspHandPostureExecutionAction.

Conflicts:
	katana_teleop/manifest.xml
katana: remove gripper_object_presence_threshold_

was made obsolete in c39307c923