Intel Cancels Plan to Enter Digital TV Chip Market  SAN FRANCISCO (Reuters) - Intel Corp. &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=INTC.O qtype=sym infotype=info qcat=news"&gt;INTC.O&lt;/A&gt; on Thursday  said it has scrapped plans to enter the digital television chip  business, marking a retreat from a major component of its  consumer electronics initiative.