Issue #1313 nutnr-b-dcl-conc unable to parse science data without metadata record

removed logic check for metadata particle before parsing science data
re-tested all nutnr-b-dcl parsers and updated unit tests
re-tested using omc_data integration testing

Change-Id: Iecd7ffe116a2a02d4fd3474501dbf0633dfd0031
Merge "Issue #1313 nutnr-b-dcl-conc unable to parse science data without metadata record"