Remove unused README figures

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten figure backgrounds to white

Flatten overview figure background

Remove photon statistics asset

Remove hardware photo asset

Update dataset card and figures