By Andy Silvester Vodafone has taken the next step in a radical restructuring of the group, agreeing to offload the Italian arm of the company in a multi-billion deal. Vodafone has agreed to sell its operations in the Mediterannean country to Swisscom for 8bn euros (£6.8bn), subject to “customary closing adjustments.” The struggling telecoms firm is being shrunk by new CEO Margherita Della Valle, who marked her first results call with the City last year by admitting the firm’s performance had not been good enough. The all-cash transaction represents just shy of an 8-times EBITDA multiple. The …