Sean “Diddy” Combs is selling his Holmby Hills mansion in Los Angeles after it was raided by Homeland Security this past March. The music mogul, who is currently being investigated on trafficking allegations, reportedly bought the sprawling estate for $40 million in 2014, but is now attempting to offload the property for a whopping $70 million. As OK! previously reported, Combs’ Miami residence was also searched by authorities in connection with potential human trafficking and other crimes. “Diddy’s friends and neighbors on both coasts are questioning what he did behind closed doors to warrant…