The Adani Group has shelved its plans to build a consumer-facing super app after incurring significant losses and internal turmoil, people familiar with the matter said, marking a retreat from its ambitions to build “the Ferrari of the digital world.”The Indian conglomerate folded its standalone digital unit, Adani One, into its airport holdings division earlier this year, the people said, asking not to be identified discussing private information. Chief Digital Officer Nitin Sethi, who was over...