revert new tooltips for non-stacked series (#27620)

frontend/src/metabase-types/api/dataset.ts

...e/visualizations/components/ChartTooltip/ChartTooltip.tsx

...zations/components/ChartTooltip/DataPointTooltip/index.ts

...ions/components/ChartTooltip/KeyValuePairChartTooltip.tsx

...tTooltip/StackedDataTooltip/StackedDataTooltip.styled.tsx

...ts/ChartTooltip/StackedDataTooltip/StackedDataTooltip.tsx

...oltip/StackedDataTooltip/StackedDataTooltip.unit.spec.tsx

...tions/components/ChartTooltip/StackedDataTooltip/index.ts

...tions/components/ChartTooltip/StackedDataTooltip/utils.ts

.../metabase/visualizations/components/ChartTooltip/types.ts

.../metabase/visualizations/components/ChartTooltip/utils.ts

frontend/src/metabase/visualizations/shared/types/data.ts

...abase/visualizations/visualizations/RowChart/RowChart.tsx

...se/visualizations/visualizations/RowChart/utils/events.ts

...zations/visualizations/RowChart/utils/events.unit.spec.ts