Opera Software is to sell part of its consumer business to the Chinese Kunqi consortium, but plans for a sale of its whole business to that group have fallen through. The consortium is led by private equity firm Golden Brick Silk Road and also includes Beijing Kunlun Tech, Qihoo 360 Software and Yonglian Investment. Kunlun distributes Angry Birds in China and recently acquired a majority stake in dating app Grindr; while Qihoo is a security software and app store provider. The Chinese buyer would get Opera’s mobile browser business, including its still-lengthy list of co-branding arrangements with operators, especially in emerging markets; plus the desktop browsers; performance and privacy apps; Opera’s technology licensing business (except Opera TV); and its 29.09%…