chore: remove unecessary code

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

Author: vitormattos

lib/Handler/SignEngine/Pkcs12Handler.php

@@ -111,18 +111,6 @@ public function getCertificateChain($resource): array {
 
 			if (!isset($fromFallback['signingTime']) || !$fromFallback['signingTime'] instanceof \DateTime) {
 				$certificates[$signerCounter]['signingTime'] = $tsa->getSigninTime($decoded);
-				if (!$certificates[$signerCounter]['signingTime'] instanceof \DateTime) {
-					// Probably the best way to do this would be:
-					// ASN1::asn1map($decoded[0], Maps\TheMapName::MAP);
-					// But, what's the MAP to use?
-					//
-					// With maps also could be possible read all certificate data and
-					// maybe discart openssl at  this pint
-					try {
-						$certificates[$signerCounter]['signingTime'] = $decoded[0]['content'][1]['content'][0]['content'][4]['content'][0]['content'][3]['content'][1]['content'][1]['content'][0]['content'];
-					} catch (\Throwable) {
-					}
-				}
 			}
 
 			$pkcs7PemSignature = $this->der2pem($signature);