Old code remains for pointFadeDepth

[ksugar]

The following line is from the old code, which should be removed.

mastodon/src/main/java/org/mastodon/views/bdv/overlay/ui/RenderSettingsIO.java

Line 246 in b3df9d9

s.setPointFadeDepth( ( double ) mapping.getOrDefault( "pointFadeDepth", RenderSettings.DEFAULT_ELLIPSOID_FADE_DEPTH ) );