code: public void removeIndividual(Member member, String studyId) {
          // Sanity check
          if (member == null) {
              logger.error("Individual is null.");
              return;
          }
          removeIndividual(member.getName(), studyId);
      }
docs: Remove an individual of a given variant study metadata (from study ID).
  
  @param member Individual
  @param studyId    Study ID