Remove unnecessary sample_id values in input channels

[lina-kim]

Many processes include an input channel as a tuple of a value sample_id and an input artifact e.g. tuple val(sample_id), path(table).

The value sample_id is no longer relevant past the feature table combination step; processed artifacts are only individual prior to denoising to prevent issues in the denoising model. Consequently, the unnecessary value in the input channel should be removed.