remove unneded params

src/app/debugger/debuggerUI/VmDebugger.js

@@ -101,7 +101,7 @@ function VmDebugger (_parentUI, _traceManager, _codeManager, _solidityProxy, _ca
     })
   })
 
-  this.storagePanel = new StoragePanel(_parentUI, _traceManager)
+  this.storagePanel = new StoragePanel()
   _parentUI.event.register('indexChanged', this, function (index) {
     if (index < 0) return
     if (_parentUI.currentStepIndex !== index) return

src/app/debugger/debuggerUI/vmDebugger/StoragePanel.js

@@ -3,9 +3,6 @@ var DropdownPanel = require('./DropdownPanel')
 var yo = require('yo-yo')
 
 function StoragePanel (_parent, _traceManager) {
-  this.parent = _parent
-  this.storageResolver = null
-  this.traceManager = _traceManager
   this.basicPanel = new DropdownPanel('Storage', {json: true})
 }