Remove unused class; closes #1421

lib/SimpleSAML/Error/Assertion.php

-<?php
-
-declare(strict_types=1);
-
-namespace SimpleSAML\Error;
-
-use SimpleSAML\Assert\Assert;
-
-/**
- * Class for creating exceptions from assertion failures.
- *
- * @package SimpleSAMLphp
- */
-
-class Assertion extends Exception
-{
-    /**
-     * The assertion which failed, or null if only an expression was passed to the
-     * assert-function.
-     */
-    private $assertion;
-
-
-    /**
-     * Constructor for the assertion exception.
-     *
-     * Should only be called from the onAssertion handler.
-     *
-     * @param string|null $assertion  The assertion which failed, or null if the assert-function was
-     *                                given an expression.
-     */
-    public function __construct(string $assertion = null)
-    {
-        $msg = 'Assertion failed: ' . var_export($assertion, true);
-        parent::__construct($msg);
-
-        $this->assertion = $assertion;
-    }
-
-
-    /**
-     * Retrieve the assertion which failed.
-     *
-     * @return string|null  The assertion which failed, or null if the assert-function was called with an expression.
-     */
-    public function getAssertion(): ?string
-    {
-        return $this->assertion;
-    }
-
-
-    /**
-     * Install this assertion handler.
-     *
-     * This function will register this assertion handler. If will not enable assertions if they are
-     * disabled.
-     */
-    public static function installHandler(): void
-    {
-        assert_options(ASSERT_WARNING, 0);
-        assert_options(ASSERT_QUIET_EVAL, 0);
-        assert_options(ASSERT_CALLBACK, [Assertion::class, 'onAssertion']);
-    }
-
-
-    /**
-     * Handle assertion.
-     *
-     * This function handles an assertion.
-     *
-     * @param string $file  The file assert was called from.
-     * @param int $line  The line assert was called from.
-     * @param mixed $message  The expression which was passed to the assert-function.
-     */
-    public static function onAssertion(string $file, int $line, $message): void
-    {
-        if (!empty($message)) {
-            $exception = new self($message);
-        } else {
-            $exception = new self();
-        }
-
-        $exception->logError();
-    }
-}

www/_include.php

@@ -4,7 +4,7 @@
 require_once(dirname(dirname(__FILE__)) . '/lib/_autoload.php');
 
 // enable assertion handler for all pages
-\SimpleSAML\Error\Assertion::installHandler();
+//\SimpleSAML\Error\Assertion::installHandler();
 
 // show error page on unhandled exceptions
 function SimpleSAML_exception_handler($exception)