refactor: move delegate utils into a single folder

packages/directives/clickoutside.js

@@ -1,4 +1,4 @@
-import clickoutsideDelegate from '../utils/clickoutsideDelegate'
+import clickoutsideDelegate from '../utils/delegate/clickoutsideDelegate'
 
 const ctx = '@@clickoutsideContext'
 

packages/directives/mousemoveoutside.js

@@ -1,4 +1,4 @@
-import moveoutsideDelegate from '../utils/moveoutsideDelegate'
+import moveoutsideDelegate from '../utils/delegate/moveoutsideDelegate'
 
 const ctx = '@@mousemoveoutsideContext'
 

packages/mixins/placeable.js

@@ -1,5 +1,5 @@
-import scrollDelegate from '../utils/scrollDelegate'
-import resizeDelegate from '../utils/resizeDelegate'
+import scrollDelegate from '../utils/delegate/scrollDelegate'
+import resizeDelegate from '../utils/delegate/resizeDelegate'
 import getParentNode from '../utils/dom/getParentNode'
 import getScrollParent from '../utils/dom/getScrollParent'
 import calcPlacementTransfrom from '../utils/dom/calcPlacementTransform'

packages/utils/traceClickEvent.js

@@ -1,20 +0,0 @@
-/**
- * This file is currently of no use
- */
-
-let memorizedClickEvent = null
-
-class ClickTracer {
-  constructor () {
-    window.removeEventListener('click', ClickTracer.traceClickEvent, true)
-    window.addEventListener('click', ClickTracer.traceClickEvent, true)
-  }
-  static traceClickEvent (e) {
-    memorizedClickEvent = e
-  }
-  get memorizedClickEvent () {
-    return memorizedClickEvent
-  }
-}
-
-export default new ClickTracer()