Remove unused properties

src/vs/base/browser/ui/splitview/panelview.ts

@@ -338,8 +338,7 @@ export class PanelView implements IDisposable {
 
 	readonly onDidSashChange: Event<void>;
 
-	// @ts-ignore unused property
-	constructor(private container: HTMLElement, options: IPanelViewOptions = {}) {
+	constructor(container: HTMLElement, options: IPanelViewOptions = {}) {
 		this.dnd = !!options.dnd;
 		this.el = append(container, $('.monaco-panel-view'));
 		this.splitview = new SplitView(this.el);

src/vs/base/browser/ui/splitview/splitview.ts

@@ -76,8 +76,7 @@ export class SplitView implements IDisposable {
 	get length(): number {
 		return this.viewItems.length;
 	}
-	// @ts-ignore unused property
-	constructor(private container: HTMLElement, options: ISplitViewOptions = {}) {
+	constructor(container: HTMLElement, options: ISplitViewOptions = {}) {
 		this.orientation = types.isUndefined(options.orientation) ? Orientation.VERTICAL : options.orientation;
 
 		this.el = document.createElement('div');

src/vs/base/parts/ipc/common/ipc.electron.ts

@@ -18,8 +18,7 @@ export class Protocol implements IMessagePassingProtocol {
 	private _onMessage: Event<any>;
 	get onMessage(): Event<any> { return this._onMessage; }
 
-	// @ts-ignore unused property
-	constructor(private sender: Sender, private onMessageEvent: Event<any>) {
+	constructor(private sender: Sender, onMessageEvent: Event<any>) {
 		const emitter = new Emitter<any>();
 		onMessageEvent(msg => emitter.fire(msg));
 		this._onMessage = emitter.event;