changed comment and rm filemanager

apps/remix-ide/src/app.js

@@ -259,7 +259,7 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   const fileManager = new FileManager(editor, appManager)
   registry.put({ api: fileManager, name: 'filemanager' })
   // ----------------- dGit provider ---------------------------------
-  const dGitProvider = new DGitProvider(fileManager)
+  const dGitProvider = new DGitProvider()
 
   // ----------------- import content service ------------------------
   const contentImport = new CompilerImport(fileManager)

apps/remix-ide/src/app/files/dgitProvider.js

@@ -24,9 +24,8 @@ const profile = {
   kind: 'file-system'
 }
 class DGitProvider extends Plugin {
-  constructor (fileManager) {
+  constructor () {
     super(profile)
-    this.fileManager = fileManager
     this.ipfsconfig = {
       host: 'ipfs.komputing.org',
       port: 443,
@@ -357,7 +356,7 @@ class DGitProvider extends Plugin {
 
   async getDirectory (dir) {
     let result = []
-    const files = await this.fileManager.readdir(dir)
+    const files = await this.call('fileManager', 'readdir', dir)
     const fileArray = normalize(files)
     for (const fi of fileArray) {
       if (fi) {

apps/remix-ide/src/app/files/fileManager.js

@@ -131,11 +131,10 @@ class FileManager extends Plugin {
 
   /*
   * refresh the file explorer
-  * TODO: it's a hack, can be better
   */
-
   refresh () {
     const provider = this.fileProviderOf('/')
+    // emit folderAdded so that File Explorer reloads the file tree
     provider.event.emit('folderAdded', '/')
   }