Resolve "Disease and Organism can not be removed"

Closes #616 (closed)

added 2 commits

• f1cfbe18 - jsdoc updated
• 5696ea56 - allow user to remove organism and disease by sending empty data

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unmarked as a Work In Progress

enabled an automatic merge when the pipeline for 5696ea56 succeeds

merged

mentioned in commit 1a2b1736