PeopleSoft Ousts CEO Amid Oracle Battle  NEW YORK (Reuters) - PeopleSoft Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=PSFT.O target=/stocks/quickinfo/fullquote"&gt;PSFT.O&lt;/A&gt; on Friday  fired Chief Executive and President Craig Conway, citing a loss  of confidence, and the software company's shares jumped on  expectations that the move could pave the way for a deal with  hostile bidder Oracle Corp.