src/vs/workbench/services/workspaces/browser/workspacesService.ts/BrowserWorkspacesService/doRemoveRecentlyOpened
class BrowserWorkspacesService:	private doRemoveRecentlyOpened(recentlyOpened: IRecentlyOpened, paths: URI[]): void {
		recentlyOpened.files = recentlyOpened.files.filter(file => {
			return !paths.some(path => path.toString() === file.fileUri.toString());
		});

		recentlyOpened.workspaces = recentlyOpened.workspaces.filter(workspace => {
			return !paths.some(path => path.toString() === (isRecentFolder(workspace) ? workspace.folderUri.toString() : workspace.workspace.configPath.toString()));
		});
	}