Cleanup Dashboard and dashlet unused methods and ajax end points

sources/Application/Dashlet/Base/DashletGroupByPie.php

@@ -56,54 +56,4 @@ class DashletGroupByPie extends DashletGroupBy
 			WebResourcesHelper::GetCSSFilesRelPathsForC3JS()
 		);
 	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function RenderNoData($oPage, $bEditMode = false, $aExtraParams = [])
-	{
-		$oDashletContainer = new DashletContainer(null, ['dashlet-content']);
-
-		$sTitle = $this->aProperties['title'];
-
-		$sBlockId = 'block_fake_'.$this->sId.($bEditMode ? '_edit' : ''); // make a unique id (edition occuring in the same DOM)
-
-		$HTMLsTitle = ($sTitle != '') ? '<h1 style="text-align:center">'.utils::HtmlEntities($sTitle).'</h1>' : '';
-		$oDashletContainer->AddHtml("<div style=\"background-color:#fff;padding:0.25em;\">$HTMLsTitle<div id=\"$sBlockId\" style=\"background-color:#fff;\"></div></div>");
-
-		$aDisplayValues = $this->MakeSimulatedData();
-
-		$aColumns = [];
-		$aNames = [];
-		foreach ($aDisplayValues as $idx => $aValue) {
-			$aColumns[] = ['series_'.$idx, (int)$aValue['value']];
-			$aNames['series_'.$idx] = $aValue['label'];
-		}
-		$sJSColumns = json_encode($aColumns);
-		$sJSNames = json_encode($aNames);
-		$oPage->add_ready_script(
-			<<<EOF
-window.setTimeout(function() {
-var chart = c3.generate({
-    bindto: '#{$sBlockId}',
-    data: {
-    	columns: $sJSColumns,
-      	type: 'pie',
-		names: $sJSNames,
-    },
-    legend: {
-      show: true,
-	  position: 'right',
-    },
-	tooltip: {
-	  format: {
-	    value: function (value, ratio, id) { return value; }
-	  }
-	}
-});}, 100);
-EOF
-		);
-
-		return $oDashletContainer;
-	}
 }