Los Angeles — Forever 21, Inc., and its U.S. subsidiaries have filed for voluntary Chapter 11 bankruptcy. The company’s Canadian subsidiary also has filed for bankruptcy protection. Forever 21 plans to facilitate a global restructuring that will allow it to focus on a profitable core part of its operations. As part of its restructuring strategy, the company plans to exit most of its international locations in Asia and Europe, but will continue operations in Mexico and Latin America. “This was an important and necessary step to secure the future of …