(Reuters) - Activist investor Starboard is withdrawing its nominations to eBay Inc's board after the e-commerce company appointed Walmart executive Jamie Iannone as its chief executive officer, the firms said on Thursday.The hedge fund owns more than 1% of eBay's stock and last month revealed plans to install four directors on the company's 14-member board.It had also called on the company to appoint an outsider as its permanent chief executive. [nL4N2BC414]EBay shares were last up 1.5% in..