[BUGFIX] Remove setDBinit from tests

Default is utf8 for the database-charset meanwhile.

Resolves: #87052
Releases: master
Change-Id: I4ec21f979a2b3e95ba30e10b94c538cde378b75d
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/59012


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Benjamin Franzke <bfr@qbus.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benjamin Franzke <bfr@qbus.de>

typo3/sysext/core/Tests/Functional/Error/ErrorHandlerTest.php

@@ -22,19 +22,6 @@ use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
  */
 class ErrorHandlerTest extends FunctionalTestCase
 {
-    /**
-     * @var array
-     */
-    protected $configurationToUseInTestInstance = [
-        'DB' => [
-            'Connections' => [
-                'Default' => [
-                    'initCommands' => 'SET NAMES \'UTF8\';',
-                ],
-            ],
-        ],
-    ];
-
     /**
      * Disabled on sqlite and mssql: They don't support init command "SET NAMES 'UTF8'". That's
      * ok since this test is not about db platform support but error handling in core.