Drop OpenSSL 0.9.8 workaround

Signed-off-by: J0WI <J0WI@users.noreply.github.com>

apps/encryption/lib/Crypto/Crypt.php

@@ -270,13 +270,6 @@ class Crypt {
 			$cipher = self::DEFAULT_CIPHER;
 		}
 
-		// Workaround for OpenSSL 0.9.8. Fallback to an old cipher that should work.
-		if (OPENSSL_VERSION_NUMBER < 0x1000101f) {
-			if ($cipher === 'AES-256-CTR' || $cipher === 'AES-128-CTR') {
-				$cipher = self::LEGACY_CIPHER;
-			}
-		}
-
 		return $cipher;
 	}