src/vs/platform/userDataSync/common/userDataSyncStoreService.ts/UserDataSyncStoreClient/deleteResource
class UserDataSyncStoreClient:	async deleteResource(resource: ServerResource, ref: string | null, collection?: string): Promise<void> {
		if (!this.userDataSyncStoreUrl) {
			throw new Error('No settings sync store url configured.');
		}

		const url = ref !== null ? joinPath(this.getResourceUrl(this.userDataSyncStoreUrl, collection, resource), ref).toString() : this.getResourceUrl(this.userDataSyncStoreUrl, collection, resource).toString();
		const headers: IHeaders = {};

		await this.request(url, { type: 'DELETE', headers }, [], CancellationToken.None);
	}