remove(/* mPropertyBag */) {
			return Promise.reject("remove is not implemented");
		}
Interface called to delete an existing flex data.

@param {object} mPropertyBag Property bag
@param {object} mPropertyBag.flexObject Flex Object to be deleted
@param {sap.ui.fl.Layer} mPropertyBag.layer Layer on which the data should be deleted
@param {string} [mPropertyBag.transport] The transport ID
@param {string} [mPropertyBag.url] Configured url for the connector
@returns {Promise} Resolves as soon as the deletion is completed without data