Citigroup Inc. (NYSE:C) has sold off $6 billion in private equity and hedge fund assets in August in an effort to comply with regulations that will come into effect in the next few years, reports Shayndi Rice for The Wall Street Journal. Sale of Citi Venture Capital International The biggest step came last week when Citigroup Inc. (NYSE:C) sold the Citi Venture Capital International private equity fund valued at $4.3 billion to the Rohatyn Group for an unknown price. Citigroup also sold its $1.9 billion EM hedge fund last month leaving the company with the $2.5 billion private equity fund Metalmark Capital as…