src/vs/platform/workspaces/electron-main/workspacesManagementMainService.ts/WorkspacesManagementMainService/deleteUntitledWorkspaceSync
class WorkspacesManagementMainService:	deleteUntitledWorkspaceSync(workspace: IWorkspaceIdentifier): void {
		if (!this.isUntitledWorkspace(workspace)) {
			return; // only supported for untitled workspaces
		}

		// Delete from disk
		this.doDeleteUntitledWorkspaceSync(workspace);

		// Event
		this._onDidDeleteUntitledWorkspace.fire(workspace);
	}