PHP 8.3 error suppression

PHP 8.3 has shortened the array access on null error message to "Trying to access array offset on null". This commit changes the regular expression used to circumvent errors.

compile.php

@@ -1,11 +1,5 @@
 #!/usr/bin/env php
 <?php
-function adminer_errors($errno, $errstr) {
-	return !!preg_match('~^(Trying to access array offset on value of type null|Undefined array key)~', $errstr);
-}
-
-error_reporting(6135); // errors and warnings
-set_error_handler('adminer_errors', E_WARNING);
 include dirname(__FILE__) . "/adminer/include/version.inc.php";
 include dirname(__FILE__) . "/externals/JsShrink/jsShrink.php";