Remove LevelDecoder #2379
Description
Is your feature request related to a problem or challenge? Please describe what you are trying to do.
As of #1041 the decode path hasn't made use of LevelDecoder instead using ColumnLevelDecoderImpl.
Describe the solution you'd like
We should remove LevelDecoder. This is not a breaking change as it in an experimental module
Describe alternatives you've considered
Additional context