refactor: remove unnecessary level of depth from runInNode

src/app/execution/txRunner.js

@@ -161,7 +161,8 @@ TxRunner.prototype.runInNode = function (from, to, data, value, gasLimit, useCal
     self._api.detectNetwork((err, network) => {
       if (err) {
         console.log(err)
-      } else {
+        return
+      }
       if (network.name === 'Main') {
         var content = confirmDialog(tx, gasEstimation, self)
         modalDialog('Confirm transaction', content,
@@ -183,7 +184,6 @@ TxRunner.prototype.runInNode = function (from, to, data, value, gasLimit, useCal
       } else {
         executeTx(tx, null, self._api, callback)
       }
-      }
     })
   })
 }