[TASK] Simplify isTypo3Version12() function

Classes/Utility/ConfigurationUtility.php

@@ -6,9 +6,9 @@
 use TYPO3\CMS\Core\Configuration\Exception\ExtensionConfigurationExtensionNotConfiguredException;
 use TYPO3\CMS\Core\Configuration\Exception\ExtensionConfigurationPathDoesNotExistException;
 use TYPO3\CMS\Core\Configuration\ExtensionConfiguration;
+use TYPO3\CMS\Core\Information\Typo3Version;
 use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
-use TYPO3\CMS\Core\Utility\VersionNumberUtility;
 
 class ConfigurationUtility
 {
@@ -240,32 +240,8 @@ protected static function getExtensionConfiguration(): array
         return GeneralUtility::makeInstance(ExtensionConfiguration::class)->get('lux');
     }
 
-    /**
-     * Todo: Can be removed if TYPO3 12 support is dropped
-     *
-     * @return bool
-     */
     public static function isTypo3Version12(): bool
     {
-        return self::isVersionToCompareSameOrHigherThenCurrentTypo3Version('12.4.99');
-    }
-
-    /**
-     * @param string $versionToCompare like "1.2.3"
-     * @return bool
-     */
-    public static function isVersionToCompareSameOrHigherThenCurrentTypo3Version(string $versionToCompare): bool
-    {
-        return VersionNumberUtility::convertVersionNumberToInteger($versionToCompare) >= self::getCurrentTypo3Version();
-    }
-
-    /**
-     * Return current TYPO3 version as integer - e.g. 10003000 (10.3.0) or 9005014 (9.5.14)
-     *
-     * @return int
-     */
-    protected static function getCurrentTypo3Version(): int
-    {
-        return VersionNumberUtility::convertVersionNumberToInteger(VersionNumberUtility::getNumericTypo3Version());
+        return (new Typo3Version())->getMajorVersion() === 12;
     }
 }