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;, which is  trying to fight off a hostile takeover by rival Oracle Corp.  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=ORCL.O target=/stocks/quickinfo/fullquote"&gt;ORCL.O&lt;/A&gt;, on Friday said its board had ousted President and  Chief Executive Craig Conway due to "a loss of confidence" in  his ability to lead the software company.