Revert "EllipsoidFactor: calibrate ellipsoid output stack"

This reverts commit df8bec3dfbdf3a54f7bc858f37cd3628b9f2178f.
Revert "EllipsoidFactor: calibrating ellipsoid stack breaks display, removing"

This reverts commit c7e540cdf55a0749bcf5d0ba99cc64fef83b9e33.
EllipsoidFactor: optimisation scheme with 2-axis dilation