don't trigger event for debugging start

src/app.js

@@ -586,15 +586,10 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   self._view.transactionDebugger.addProvider('web3', executionContext.internalWeb3())
   self._view.transactionDebugger.switchProvider(executionContext.getProvider())
 
-  var txLogger = new TxLogger()
+  var txLogger = new TxLogger() // eslint-disable-line
-
-  txLogger.event.register('debugRequested', (hash) => {
-    self.startdebugging(hash)
-  })
 
   var previousInput = ''
   var saveTimeout = null
-
   function editorOnChange () {
     var currentFile = self._components.config.get('currentFile')
     if (!currentFile) {
@@ -668,8 +663,8 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
         fileManager.switchFile(previouslyOpenedFile)
       } else {
         fileManager.switchFile()
-    }
+      }
-  })
+    })
   } else {
     fileManager.switchFile()
   }

src/app/execution/txLogger.js

@@ -120,7 +120,6 @@ var css = csjs`
   }`
 /**
   * This just export a function that register to `newTransaction` and forward them to the logger.
-  * Emit debugRequested
   *
   */
 class TxLogger {
@@ -141,7 +140,8 @@ class TxLogger {
       editorPanel: this._components.registry.get('editorpanel').api,
       txListener: this._components.registry.get('txlistener').api,
       eventsDecoder: this._components.registry.get('eventsdecoder').api,
-      compiler: this._components.registry.get('compiler').api
+      compiler: this._components.registry.get('compiler').api,
+      app: this._components.registry.get('app').api
     }
 
     this.logKnownTX = this._deps.editorPanel.registerCommand('knownTransaction', (args, cmds, append) => {
@@ -205,7 +205,7 @@ function debug (e, data, self) {
   if (data.tx.isCall && data.tx.envMode !== 'vm') {
     modalDialog.alert('Cannot debug this call. Debugging calls is only possible in JavaScript VM mode.')
   } else {
-    self.event.trigger('debugRequested', [data.tx.hash])
+    self._deps.app.startdebugging(data.tx.hash)
   }
 }