message: fix: remove redundant target from sankey tooltip
diff: @@ -115,7 +115,6 @@ function Sankey(element, props) {
  '<br/>',
  `<span class='emph'>${Number.isFinite(targetPercent) ? targetPercent : '--'}%</span> of `,
  d.target.name,
  - 'target',
  '</div>',
  ].join('');
  }
  