fix: linting

Author: sgratzl

samples/boxplot.html

@@ -4,10 +4,7 @@
     <title>Hierarchical Bar Chart</title>
     <script src="https://unpkg.com/[email protected]/dist/chart.js"></script>
     <script src="../build/index.umd.js"></script>
-    <script
-      src="https://unpkg.com/@sgratzl/chartjs-chart-boxplot/build/index.umd.js"
-      type="text/javascript"
-    ></script>
+    <script src="https://unpkg.com/@sgratzl/chartjs-chart-boxplot/build/index.umd.js" type="text/javascript"></script>
     <style>
       canvas {
         -moz-user-select: none;