- Deleted `system_interface_type_values.hpp`, `package.xml`, `fri_client.cpp`, and `system_interface.cpp` as part of the cleanup process.
- Updated `iiwa7.urdf.xacro` to remove deprecated parameters and adjust command interface settings.
- Modified joint definitions in `joints.xacro` to include new friction and soft limit parameters.
- Enhanced `macros.xacro` to support additional joint properties for friction and safety control.
- Adjusted mass properties in `params.xacro` to reflect accurate values for the robot's components.