made the linter happy: removed unused imports

Signed-off-by: Akos Kitta <kittaakos@typefox.io>

Author: Akos Kitta

arduino-ide-extension/src/browser/contributions/quit-app.ts

@@ -1,6 +1,6 @@
 import { injectable } from 'inversify';
 import { remote } from 'electron';
-import { isOSX, isWindows } from '@theia/core/lib/common/os';
+import { isOSX } from '@theia/core/lib/common/os';
 import { Contribution, Command, MenuModelRegistry, KeybindingRegistry, CommandRegistry } from './contribution';
 import { ArduinoMenus } from '../menu/arduino-menus';
 
@@ -16,6 +16,7 @@ export class QuitApp extends Contribution {
     }
 
     registerMenus(registry: MenuModelRegistry): void {
+        // On macOS we will get the `Quit ${YOUR_APP_NAME}` menu item natively, no need to duplicate it. 
         if (!isOSX) {
             registry.registerMenuAction(ArduinoMenus.FILE__QUIT_GROUP, {
                 commandId: QuitApp.Commands.QUIT_APP.id,

arduino-ide-extension/src/browser/theia/workspace/workspace-service.ts

@@ -1,13 +1,12 @@
 import { injectable, inject } from 'inversify';
 import URI from '@theia/core/lib/common/uri';
-import { FileStat } from '@theia/filesystem/lib/common';
 import { EditorWidget } from '@theia/editor/lib/browser';
 import { LabelProvider } from '@theia/core/lib/browser/label-provider';
 import { MessageService } from '@theia/core/lib/common/message-service';
 import { ApplicationServer } from '@theia/core/lib/common/application-protocol';
 import { FrontendApplication } from '@theia/core/lib/browser/frontend-application';
 import { FocusTracker, Widget } from '@theia/core/lib/browser';
-import { WorkspaceService as TheiaWorkspaceService, WorkspaceInput } from '@theia/workspace/lib/browser/workspace-service';
+import { WorkspaceService as TheiaWorkspaceService } from '@theia/workspace/lib/browser/workspace-service';
 import { ConfigService } from '../../../common/protocol/config-service';
 import { SketchesService } from '../../../common/protocol/sketches-service';
 import { ArduinoWorkspaceRootResolver } from '../../arduino-workspace-resolver';