remove FileSystemProvider#root

src/vs/vscode.proposed.d.ts

@@ -228,9 +228,6 @@ declare module 'vscode' {
 
 		readonly onDidChange?: Event<FileChange[]>;
 
-		// todo@joh - remove this
-		readonly root?: Uri;
-
 		// more...
 		//
 		utimes(resource: Uri, mtime: number, atime: number): Thenable<FileStat>;

src/vs/workbench/api/node/extHostFileSystem.ts

@@ -73,10 +73,6 @@ export class ExtHostFileSystem implements ExtHostFileSystemShape {
 		this._linkProvider.add(scheme);
 		this._provider.set(handle, provider);
 		this._proxy.$registerFileSystemProvider(handle, scheme);
-		if (provider.root) {
-			// todo@remote
-			this._proxy.$onDidAddFileSystemRoot(provider.root);
-		}
 		let reg: IDisposable;
 		if (provider.onDidChange) {
 			reg = provider.onDidChange(event => this._proxy.$onFileSystemChange(handle, <any>event));