Remove create table helper function

demo/demo4.ts

@@ -1,14 +1,17 @@
 // Example of how you would create a table and add data to it
 // Import from 'docx' rather than '../build' if you install from npm
 import * as fs from "fs";
-import { Document, Packer, Paragraph } from "../build";
+import { Document, Packer, Paragraph, Table } from "../build";
 
 const doc = new Document();
 
-const table = doc.createTable({
+const table = new Table({
     rows: 4,
     columns: 4,
 });
+
+doc.addTable(table);
+
 table.getCell(2, 2).addParagraph(new Paragraph("Hello"));
 
 const packer = new Packer();