🔥 Remove deprecated type argument in barchart

The BarChart got splitted into HorizontalBar and Bar, so the type is not nessasary anymore.

Author: apertureless

src/BaseCharts/Bar.js

@@ -61,7 +61,7 @@ export default Vue.extend({
   },
 
   methods: {
-    renderChart (data, options, type) {
+    renderChart (data, options) {
       let chartOptions = mergeOptions(this.defaultOptions, options)
       this._chart = new Chart(
         this.$refs.canvas.getContext('2d'), {