src/vs/platform/credentials/common/credentialsMainService.ts/BaseCredentialsMainService/deletePassword
class BaseCredentialsMainService:	async deletePassword(service: string, account: string): Promise<boolean> {
		const keytar = await this.withKeytar();

		const didDelete = await keytar.deletePassword(service, account);
		if (didDelete) {
			this._onDidChangePassword.fire({ service, account });
		}

		return didDelete;
	}