cleaning demo folder

script/scenarios/anymal_python_script/darpa_anymal.py

script/scenarios/anymal_python_script/darpa_anymal_path.py

script/scenarios/darpa_hyq_path.py

script/scenarios/demos/darpa_hyq.py

script/scenarios/run.sh

script/scenarios/rund.sh

script/scenarios/sandbox/ground_crouch_hyq_interp.py

script/scenarios/sandbox/ground_crouch_hyq_interp_bridge.py

script/scenarios/sandbox/ground_crouch_hyq_path.py

script/scenarios/sandbox/ground_crouch_hyq_path_bridge.py

script/scenarios/sandbox/log.txt

script/scenarios/sandbox/polaris/polaris_hrp2_path_2.py

script/scenarios/sandbox/polaris/polaris_hrp2_path_3.py

script/scenarios/sandbox/polaris/polaris_hrp2_path_4.py

...pt/scenarios/sandbox/polaris/polaris_hrp2_path_no_step.py

script/scenarios/sandbox/polaris/poralis_hrp2_interp.py

script/scenarios/sandbox/polaris/poralis_hrp2_interp_2.py

script/scenarios/sandbox/polaris/poralis_hrp2_interp_3.py

script/scenarios/sandbox/polaris/poralis_hrp2_interp_4.py

script/scenarios/sandbox/polaris/run.sh