Remove unused util function

Author: dhruvisompura

src/vs/workbench/services/positronDataExplorer/common/utils.ts

@@ -11,15 +11,6 @@ export interface Range {
 	readonly max: number;
 }
 
-/**
- * Creates an array from an index range.
- * @param startIndex The start index.
- * @param endIndex The end index.
- * @returns An array with the specified index range.
- */
-export const arrayFromIndexRange = (startIndex: number, endIndex: number) =>
-	Array.from({ length: endIndex - startIndex + 1 }, (_, i) => startIndex + i);
-
 /**
  * Determines whether an array of numbers is contiguous.
  * @param array The array of numbers.