Auction site eBay has completed a deal to sell off its Skype VoIP division, according to an announcement. The deal is said to be worth $2.9 billion, granting a 65 percent stake to an investor group including Silver Lake, Index Ventures, Andreessen Horowitz and the Canada Pension Plan Investment Board. eBay is holding on to a 35 percent equity investment, and gaining $1.9 billion in cash, plus a