Remove extra props

packages/grafana-ui/src/components/Piechart/Piechart.tsx

@@ -16,8 +16,6 @@ export interface Props extends Themeable {
 
   unit: string;
   pieType: string;
-  format: string;
-  stat: string;
   strokeWidth: number;
 }
 

public/app/plugins/panel/piechart/PiechartPanel.tsx

@@ -48,7 +48,6 @@ export class PiechartPanel extends PureComponent<Props> {
             pieType={options.pieType}
             strokeWidth={options.strokeWidth}
             unit={valueOptions.unit}
-            stat={valueOptions.stat}
             theme={theme}
           />
         )}