clean up; remove unnecessary else's

src/app/debugger/debuggerUI/TxBrowser.js

@@ -75,14 +75,13 @@ TxBrowser.prototype.submit = function (tx) {
   }
   try {
     if (this.txNumber.indexOf('0x') !== -1) {
-      self.web3.eth.getTransaction(this.txNumber, function (error, result) {
+      return self.web3.eth.getTransaction(this.txNumber, function (error, result) {
         self.update(error, result)
       })
-    } else {
+    }
     self.web3.eth.getTransactionFromBlock(this.blockNumber, this.txNumber, function (error, result) {
       self.update(error, result)
     })
-    }
   } catch (e) {
     self.update(e.message)
   }
@@ -92,7 +91,8 @@ TxBrowser.prototype.update = function (error, tx) {
   var info = {}
   if (error) {
     this.view.querySelector('#error').innerHTML = error
-  } else {
+    return
+  }
   if (tx) {
     this.view.querySelector('#error').innerHTML = ''
     if (!tx.to) {
@@ -110,7 +110,6 @@ TxBrowser.prototype.update = function (error, tx) {
     this.view.querySelector('#error').innerHTML = 'Cannot find transaction with reference. Block number: ' + this.blockNumber + '. Transaction index/hash: ' + this.txNumber
   }
 }
-}
 
 TxBrowser.prototype.updateBlockN = function (ev) {
   this.blockNumber = ev.target.value
@@ -145,9 +144,11 @@ TxBrowser.prototype.render = function () {
         </div>
         <span id='error'></span>
       </div>`
+
   if (!this.view) {
     this.view = view
   }
+
   return view
 }