Remove "Sisow - iDEAL Basic"

[remcotolsma]

The acquirer URL's no longer work:

• https://www.sisow.nl/Sisow/iDeal/IssuerHandler.ashx
• https://www.sisow.nl/Sisow/iDeal/IssuerHandler.ashx/test

wp-pronamic-pay/pronamic-ideal.php

Lines 549 to 574 in ed79d32

	// Sisow - iDEAL Basic.
	$gateways[] = new \Pronamic\WordPress\Pay\Gateways\IDealBasic\Integration(
	[
	'id' => 'sisow-ideal-basic',
	'name' => 'Sisow - iDEAL Basic',
	'mode' => 'live',
	'provider' => 'sisow',
	'url' => 'https://www.sisow.nl/',
	'dashboard_url' => 'https://www.sisow.nl/Sisow/iDeal/Login.aspx',
	'deprecated' => true,
	'acquirer_url' => 'https://www.sisow.nl/Sisow/iDeal/IssuerHandler.ashx',
	]
	);
	$gateways[] = new \Pronamic\WordPress\Pay\Gateways\IDealBasic\Integration(
	[
	'id' => 'sisow-ideal-basic-test',
	'name' => 'Sisow - iDEAL Basic - Test',
	'mode' => 'test',
	'provider' => 'sisow',
	'url' => 'https://www.sisow.nl/',
	'dashboard_url' => 'https://www.sisow.nl/Sisow/iDeal/Login.aspx',
	'deprecated' => true,
	'acquirer_url' => 'https://www.sisow.nl/Sisow/iDeal/IssuerHandler.ashx/test',
	]
	);