Albert Manifold was an industry outsider tapped to oversee a turnaround at BP after years of upheaval. Now his abrupt departure has the major oil company facing a fresh bout of turmoil. The London-based company this week removed Manifold from his post with immediate effect after its board received whistleblower reports that he was verbally abusive and bullying toward staff and had mishandled company information, according to people familiar with the matter. The sudden departure—just weeks into new Chief Executive Meg O’Neill’s tenure —sows fresh doubts about BP’s governance after repeated leadership changes and strategic uncertainty in recent years. Manifold arrived at BP last year to…