remove executioncontext param from makeUdapp

src/app.js

@@ -235,7 +235,7 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   const compilersArtefacts = new CompilersArtefacts() // store all the compilation results (key represent a compiler name)
   registry.put({api: compilersArtefacts, name: 'compilersartefacts'})
 
-  const {eventsDecoder, txlistener} = makeUdapp(blockchain, udapp, executionContext, compilersArtefacts, (domEl) => mainview.getTerminal().logHtml(domEl))
+  const {eventsDecoder, txlistener} = makeUdapp(blockchain, udapp, compilersArtefacts, (domEl) => mainview.getTerminal().logHtml(domEl))
   // ----------------- network service (resolve network id / name) ----------------------------
   const networkModule = new NetworkModule(executionContext)
   // ----------------- convert offset to line/column service ----------------------------

src/app/udapp/make-udapp.js

@@ -18,7 +18,7 @@ function txDetailsLink (network, hash) {
   }
 }
 
-export function makeUdapp (blockchain, udapp, executionContext, compilersArtefacts, logHtmlCallback) {
+export function makeUdapp (blockchain, udapp, compilersArtefacts, logHtmlCallback) {
   // ----------------- UniversalDApp -----------------
   // TODO: to remove when possible
   udapp.event.register('transactionBroadcasted', (txhash, networkName) => {