B17228: No vendor name needed for Typo3 v9 and above. Deprecation warnings...

B17228: No vendor name needed for Typo3 v9 and above. Deprecation warnings should not be created anymore. refs #17228

extension/ext_tables.php

@@ -8,7 +8,7 @@ if (!defined('TYPO3_MODE')) {
 }
 
 \TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerPlugin(
-    'IMATHUZH.' . 'qfq',
+    'qfq',
     'Qfq',
     'QFQ Element',
     'EXT:qfq/ext_icon.png'