Revert "Added fix for timeseries chart showing hidden yAxis"

This reverts commit 19c390c0b1.

ui-ngx/src/app/modules/home/components/widget/lib/chart/time-series-chart-widget.component.ts

@@ -112,9 +112,6 @@ export class TimeSeriesChartWidgetComponent implements OnInit, OnDestroy, AfterV
         legendKey.dataKey.settings = mergeDeep<TimeSeriesChartKeySettings>({} as TimeSeriesChartKeySettings,
           timeSeriesChartKeyDefaultSettings, legendKey.dataKey.settings);
         legendKey.dataKey.hidden = legendKey.dataKey.settings.dataHiddenByDefault;
-        if (this.settings.yAxes[legendKey.dataKey.settings.yAxisId]) {
-          this.settings.yAxes[legendKey.dataKey.settings.yAxisId].show = !legendKey.dataKey.settings.dataHiddenByDefault;
-        }
       });
       this.legendKeys = this.legendKeys.filter(legendKey => legendKey.dataKey.settings.showInLegend);
       if (!this.legendKeys.length) {