fix(world-map): remove categorical color option (#19781)

superset-frontend/plugins/legacy-plugin-chart-world-map/src/WorldMap.js

@@ -23,7 +23,6 @@ import { extent as d3Extent } from 'd3-array';
 import {
   getNumberFormatter,
   getSequentialSchemeRegistry,
-  CategoricalColorNamespace,
 } from '@superset-ui/core';
 import Datamap from 'datamaps/dist/datamaps.world.min';
 
@@ -56,8 +55,6 @@ function WorldMap(element, props) {
     showBubbles,
     linearColorScheme,
     color,
-    colorScheme,
-    sliceId,
   } = props;
   const div = d3.select(element);
   div.classed('superset-legacy-chart-world-map', true);
@@ -72,24 +69,15 @@ function WorldMap(element, props) {
     .domain([extRadius[0], extRadius[1]])
     .range([1, maxBubbleSize]);
 
-  const linearColorScale = getSequentialSchemeRegistry()
+  const colorScale = getSequentialSchemeRegistry()
     .get(linearColorScheme)
     .createLinearScale(d3Extent(filteredData, d => d.m1));
 
-  const colorScale = CategoricalColorNamespace.getScale(colorScheme);
-
-  const processedData = filteredData.map(d => {
-    let color = linearColorScale(d.m1);
-    if (colorScheme) {
-      // use color scheme instead
-      color = colorScale(d.name, sliceId);
-    }
-    return {
-      ...d,
-      radius: radiusScale(Math.sqrt(d.m2)),
-      fillColor: color,
-    };
-  });
+  const processedData = filteredData.map(d => ({
+    ...d,
+    radius: radiusScale(Math.sqrt(d.m2)),
+    fillColor: colorScale(d.m1),
+  }));
 
   const mapData = {};
   processedData.forEach(d => {