[BUGFIX] Remove the max length configuration from lastUpdate

Configuration/TCA/Overrides/pages.php

@@ -320,7 +320,6 @@ $GLOBALS['TCA']['pages']['types'][\SGalinski\SgNews\Utility\BackendNewsUtility::
 				'type' => 'input',
 				'renderType' => 'inputDateTime',
 				'size' => '13',
-				'max' => '20',
 				'eval' => 'datetime',
 				'default' => $GLOBALS['EXEC_TIME'],
 				'behaviour' => [