fix: unit tests

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

tests/php/Unit/Service/Install/SignSetupServiceTest.php

@@ -106,12 +106,6 @@ private function writeAppSignature(string $architecture, $resource): SignSetupSe
 			->willReturn(['dependencies' => ['architecture' => [$architecture]]]);
 
 		$certificate = $signSetupService->getDevelopCert();
-		$rsa = new RSA();
-		$rsa->loadKey($certificate['privateKeyInstance']);
-		$rsa->loadKey($certificate['privateKeyCert']);
-		$x509 = new X509();
-		$x509->loadX509($certificate['rootCertificate']);
-		$x509->setPrivateKey($rsa);
 
 		$structure = [
 			'data' => [