remove local variable not used anywhere

src/app/debugger/debuggerUI/TxBrowser.js

@@ -88,7 +88,6 @@ TxBrowser.prototype.submit = function (tx) {
 }
 
 TxBrowser.prototype.update = function (error, tx) {
-  var info = {}
   if (error) {
     this.view.querySelector('#error').innerHTML = error
     return
@@ -98,15 +97,8 @@ TxBrowser.prototype.update = function (error, tx) {
     if (!tx.to) {
       tx.to = traceHelper.contractCreationToken('0')
     }
-    info.from = tx.from
-    info.to = tx.to
-    info.hash = tx.hash
     this.event.trigger('newTraceRequested', [this.blockNumber, this.txNumber, tx])
   } else {
-    var mes = '<not found>'
-    info.from = mes
-    info.to = mes
-    info.hash = mes
     this.view.querySelector('#error').innerHTML = 'Cannot find transaction with reference. Block number: ' + this.blockNumber + '. Transaction index/hash: ' + this.txNumber
   }
 }