refactor(core): remove useWindow (#1504)

refactor(core): remove `useWindow`

packages/core/src/utils/graph.ts

@@ -21,7 +21,6 @@ import type {
   XYPosition,
   XYZPosition,
 } from '../types'
-import { useWindow } from '../composables'
 import { isDef, warn } from '.'
 
 export function nodeToRect(node: GraphNode): Rect {
@@ -64,8 +63,6 @@ export function getHostForElement(element: HTMLElement): Document {
     return doc
   }
 
-  const window = useWindow()
-
   return window.document
 }