Revert some changes to HttpFetchException

app/Exceptions/HttpFetchException.php

@@ -2,22 +2,8 @@
 
 namespace BookStack\Exceptions;
 
-class HttpFetchException extends PrettyException
+use Exception;
+
+class HttpFetchException extends Exception
 {
-    /**
-     * Construct exception within BookStack\Uploads\HttpFetcher.
-     */
-    public function __construct(string $message = '', int $code = 0, ?\Throwable $previous = null)
-    {
-        parent::__construct($message, $code, $previous);
-
-        if ($previous) {
-            $this->setDetails($previous->getMessage());
-        }
-    }
-
-    public function getStatusCode(): int
-    {
-        return 500;
-    }
 }