extensions/github-authentication/src/common/keychain.ts/Keychain/deleteToken
class Keychain:	async deleteToken(): Promise<void> {
		try {
			return await this.context.secrets.delete(this.serviceId);
		} catch (e) {
			// Ignore
			Logger.error(`Deleting token failed: ${e}`);
			return Promise.resolve(undefined);
		}
	}