function requireAdapter(sAdapterName) {
		return new Promise(function(resolve, reject) {
			sap.ui.require(["sap/ui/table/menus/" + sAdapterName], function(Module) {
				resolve(Module);
			}, function(oError) {
				reject(oError);
			});
		});
	}
Destroys the instance of the <code>ColumnHeaderMenuAdapter</code> and the change observer