smoke: cleanup multiroot tests

test/smoke/src/application.ts

@@ -17,7 +17,6 @@ export const enum Quality {
 export interface ApplicationOptions extends SpawnOptions {
 	quality: Quality;
 	workspacePath: string;
-	workspaceFilePath: string;
 	waitTime: number;
 }
 
@@ -56,10 +55,6 @@ export class Application {
 		return this.options.userDataDir;
 	}
 
-	get workspaceFilePath(): string {
-		return this.options.workspaceFilePath;
-	}
-
 	async start(): Promise<any> {
 		await this._start();
 		await this.code.waitForElement('.explorer-folders-view');