remove unused BioFeatureUtils.js that was derived from WA

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>
remove stray console.log

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>
Do not register WA track types.

1. Config adaptor does it for the tracks.
2. We don't support 'Opening' files on the client side.

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>