Nortel Cuts Fewer Jobs, Exits Real Estate  OTTAWA (Reuters) - Nortel Networks Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=NT.TO target=/stocks/quickinfo/fullquote"&gt;NT.TO&lt;/A&gt; on  Thursday said it would eliminate about 10 percent of its work  force, slightly less than previously estimated, and consolidate  real estate in a cost-cutting plan that will save \$500 million  in 2005.