00b98099

By: ValentinHirschi <valentin.hirschi@gmail.com>

mark spherical threshold maps as proxy-only

A constant-radius sphere is not the generic direction-dependent E-surface. Advertise the current radial kernel as proxy-only so exact map-density sampling cannot silently use an incorrect Jacobian until the implicit radial-root map is implemented.
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configurex86_64-linux