remove values/formatted values from chart legends (#15490)

before:

<img width="639" height="385" alt="Screenshot 2025-10-31 at 15 29 01"
src="https://github.com/user-attachments/assets/5769a160-205d-4a03-ab7b-e037c65dd743"
/>


after:

<img width="667" height="371" alt="Screenshot 2025-10-31 at 15 27 51"
src="https://github.com/user-attachments/assets/12a4e034-6262-43a9-b257-894d74462d73"
/>

packages/twenty-front/src/modules/page-layout/widgets/graph/graphWidgetPieChart/components/GraphWidgetPieChart.tsx

@@ -7,10 +7,7 @@ import { usePieChartHandlers } from '@/page-layout/widgets/graph/graphWidgetPieC
 import { usePieChartTooltip } from '@/page-layout/widgets/graph/graphWidgetPieChart/hooks/usePieChartTooltip';
 import { type PieChartDataItem } from '@/page-layout/widgets/graph/graphWidgetPieChart/types/PieChartDataItem';
 import { createGraphColorRegistry } from '@/page-layout/widgets/graph/utils/createGraphColorRegistry';
-import {
-  formatGraphValue,
-  type GraphValueFormatOptions,
-} from '@/page-layout/widgets/graph/utils/graphFormatters';
+import { type GraphValueFormatOptions } from '@/page-layout/widgets/graph/utils/graphFormatters';
 import { useTheme } from '@emotion/react';
 import styled from '@emotion/styled';
 import {
@@ -129,10 +126,6 @@ export const GraphWidgetPieChart = ({
         items={enrichedData.map((item) => ({
           id: item.id,
           label: item.label || item.id,
-          formattedValue: formatGraphValue(
-            displayType === 'percentage' ? item.percentage / 100 : item.value,
-            formatOptions,
-          ),
           color: item.colorScheme.solid,
         }))}
       />