(Reuters) - Goldman Sachs Group Inc reported a bigger-than-expected fall in quarterly profit on Wednesday as the Wall Street bank set aside more money to cover legal costs for the 1MDB corruption scandal, overshadowing a rebound in its trading business. The bank set aside $1.09 billion (£837.17 million) in the fourth quarter ahead of an expected settlement that could touch $2 billion or more. Goldman's full-year earnings took a hit of $3.16 per share from the provision. The legal woes come at..