Revert "Split cytoscape"

This reverts commit f81f9f7.

packages/mermaid/src/diagrams/mindmap/mindmapRenderer.js

@@ -4,9 +4,13 @@ import { log } from '../../logger';
 import { getConfig } from '../../config';
 import { setupGraphViewbox } from '../../setupGraphViewbox';
 import svgDraw from './svgDraw';
+import cytoscape from 'cytoscape';
+import coseBilkent from 'cytoscape-cose-bilkent';
 import * as db from './mindmapDb';
 
-let cytoscape;
+// Inject the layout algorithm into cytoscape
+cytoscape.use(coseBilkent);
+
 /**
  * @param {any} svg The svg element to draw the diagram onto
  * @param {object} mindmap The mindmap data and hierarchy
@@ -89,14 +93,7 @@ function addNodes(mindmap, cy, conf, level) {
  * @param conf
  * @param cy
  */
-async function layoutMindmap(node, conf) {
-  if (!cytoscape) {
-    cytoscape = (await import('cytoscape')).default;
-    const coseBilkent = (await import('cytoscape-cose-bilkent')).default;
-    // Inject the layout algorithm into cytoscape
-    cytoscape.use(coseBilkent);
-  }
-
+function layoutMindmap(node, conf) {
   return new Promise((resolve) => {
     // Add temporary render element
     const renderEl = select('body').append('div').attr('id', 'cy').attr('style', 'display:none');