chore(viz): rename v1 and v2 charts (#22369)

superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/Area/index.ts

@@ -68,7 +68,7 @@ export default class EchartsAreaChartPlugin extends ChartPlugin<
           AnnotationType.Timeseries,
         ],
         name: hasGenericChartAxes
-          ? t('Area Chart v2')
+          ? t('Area Chart')
           : t('Time-series Area Chart'),
         tags: [
           t('ECharts'),

superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/Regular/Bar/index.ts

@@ -75,9 +75,7 @@ export default class EchartsTimeseriesBarChartPlugin extends ChartPlugin<
           AnnotationType.Interval,
           AnnotationType.Timeseries,
         ],
-        name: hasGenericChartAxes
-          ? t('Bar Chart v2')
-          : t('Time-series Bar Chart v2'),
+        name: hasGenericChartAxes ? t('Bar Chart') : t('Time-series Bar Chart'),
         tags: [
           t('ECharts'),
           t('Predictive'),

superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/Regular/Line/index.ts

@@ -73,7 +73,7 @@ export default class EchartsTimeseriesLineChartPlugin extends ChartPlugin<
           AnnotationType.Timeseries,
         ],
         name: hasGenericChartAxes
-          ? t('Line Chart v2')
+          ? t('Line Chart')
           : t('Time-series Line Chart'),
         tags: [
           t('ECharts'),

superset-frontend/plugins/plugin-chart-echarts/src/Treemap/index.ts

@@ -53,7 +53,7 @@ export default class EchartsTreemapChartPlugin extends ChartPlugin<
           'Show hierarchical relationships of data, with with the value represented by area, showing proportion and contribution to the whole.',
         ),
         exampleGallery: [{ url: example1 }, { url: example2 }],
-        name: t('Treemap v2'),
+        name: t('Treemap'),
         tags: [
           t('Aesthetic'),
           t('Categorical'),