[3.x] Removes lingering error-prone string (#92)

* [3.x] Removes error-prone string

* Apply fixes from StyleCI

[ci skip] [skip ci]

---------

Co-authored-by: Italo Israel Baeza Cabrera <darghosthunter@gmail.com>
Co-authored-by: Italo <DarkGhostHunter@users.noreply.github.com>

src/Assertion/Validator/Pipes/CheckPublicKeySignature.php

@@ -119,7 +119,7 @@ protected function validateWithOpenSsl(string $signature, string $verifiable, We
     {
         if (! $publicKey = openssl_pkey_get_public($credential->public_key)) {
             throw AssertionException::make('Public key is invalid: '.openssl_error_string());
-        }https://
+        }
 
         if (openssl_verify($verifiable, $signature, $publicKey, OPENSSL_ALGO_SHA256) !== 1) {
             throw AssertionException::make('Signature is invalid: '.openssl_error_string());