remove udapp and execution context from run-tab

src/app.js

@@ -301,8 +301,6 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   )
   const run = new RunTab(
     blockchain,
-    udapp,
-    executionContext,
     registry.get('config').api,
     registry.get('filemanager').api,
     registry.get('editor').api,

src/app/udapp/run-tab.js

@@ -33,12 +33,10 @@ const profile = {
 
 export class RunTab extends LibraryPlugin {
 
-  constructor (blockchain, udapp, executionContext, config, fileManager, editor, filePanel, compilersArtefacts, networkModule, mainView) {
-    super(udapp, profile)
+  constructor (blockchain, config, fileManager, editor, filePanel, compilersArtefacts, networkModule, mainView) {
+    super(blockchain.udapp, profile)
     this.event = new EventManager()
     this.config = config
-    this.udapp = udapp
-    this.executionContext = executionContext
     this.blockchain = blockchain
     this.fileManager = fileManager
     this.editor = editor