refs #1464 if-statement in template no longer required

git-svn-id: http://dev.piwik.org/svn/trunk@2448 59fd770c-687e-43c8-a1e3-f5a4ff64c105

plugins/VisitsSummary/templates/sparklines.tpl

 <div id='leftcolumn'>
 	<div class="sparkline">{sparkline src=$urlSparklineNbVisits} {'VisitsSummary_NbVisits'|translate:"<strong>$nbVisits</strong>"}</div>
-	{if isset($urlSparklineNbUniqVisitors)}
 	<div class="sparkline">{sparkline src=$urlSparklineNbUniqVisitors} {'VisitsSummary_NbUniqueVisitors'|translate:"<strong>$nbUniqVisitors</strong>"}</div>
-	{/if}
 	<div class="sparkline">{sparkline src=$urlSparklineNbActions} {'VisitsSummary_NbActionsDescription'|translate:"<strong>$nbActions</strong>"}</div>
 </div>
 <div id='rightcolumn'>