remove buildVegaScales due to split it to smaller modules

Signed-off-by: Anan Zhuang <ananzh@amazon.com>

src/plugins/vis_builder/public/visualizations/vega/components/encoding.test.ts

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { buildVegaLiteEncoding, buildVegaScales } from './encoding';
+import { buildVegaLiteEncoding } from './encoding';
 
 describe('encoding.ts', () => {
   describe('buildVegaLiteEncoding', () => {
@@ -28,25 +28,4 @@ describe('encoding.ts', () => {
       expect(result.color!.type).toBe('nominal');
     });
   });
-
-  describe('buildVegaScales', () => {
-    it('should build correct scales for x and y axes', () => {
-      const dimensions = { x: [{}], y: [{}] };
-      const formats = {};
-      const result = buildVegaScales(dimensions, formats);
-
-      expect(result.length).toBe(2);
-      expect(result[0].name).toBe('xscale');
-      expect(result[1].name).toBe('yscale');
-    });
-
-    it('should include size scale when z dimension is present', () => {
-      const dimensions = { x: [{}], y: [{}], z: [{}] };
-      const formats = {};
-      const result = buildVegaScales(dimensions, formats);
-
-      expect(result.length).toBe(3);
-      expect(result[2].name).toBe('size');
-    });
-  });
 });

src/plugins/vis_builder/public/visualizations/vega/components/encoding.ts

@@ -73,43 +73,6 @@ export const buildVegaLiteEncoding = (dimensions: any, formats: AxisFormats): Ve
   return encoding;
 };
 
-/**
- * Builds scale configurations for Vega specifications.
- *
- * @param {any} dimensions - The dimensions of the data.
- * @param {any} formats - The formatting information for axes.
- * @returns {VegaScale[]} The Vega scale configurations.
- */
-export const buildVegaScales = (dimensions: any, formats: any): VegaScale[] => {
-  const scales: VegaScale[] = [
-    {
-      name: 'xscale',
-      type: 'band',
-      domain: { data: 'source', field: 'x', filter: 'datum.split == parent.split' },
-      range: 'width',
-      padding: 0.2,
-    },
-    {
-      name: 'yscale',
-      type: 'linear',
-      domain: { data: 'source', field: 'y', filter: 'datum.split == parent.split' },
-      range: 'height',
-      nice: true,
-      zero: true,
-    },
-  ];
-
-  if (dimensions.z) {
-    scales.push({
-      name: 'size',
-      type: 'linear',
-      domain: { data: 'source', field: 'z' },
-    });
-  }
-
-  return scales;
-};
-
 /**
  * Builds encoding for an axis.
  *