code: public void deletePersonalFavorite(Target target) throws WorkspaceApiException {
          try {
              ApiSuccessResponse resp = targetsApi.deletePersonalFavorite(String.valueOf(target.getId()), target.getType().getValue());
              Util.throwIfNotOk(resp);
          }
          catch(ApiException ex) {
              throw new WorkspaceApiException("Cannot delete personal favorite", ex);
          }
      }
docs: Delete the target from the agent's personal favorites.
  @param target The target to delete.