The following deprecated methods are now removed:

- \TYPO3\CMS\Core\Utility\GeneralUtility::compressIPv6
- \TYPO3\CMS\Core\Utility\GeneralUtility::flushDirectory
- \TYPO3\CMS\Core\Utility\GeneralUtility::getApplicationContext
- \TYPO3\CMS\Core\Utility\GeneralUtility::idnaEncode
- \TYPO3\CMS\Core\Utility\GeneralUtility::IPv6Hex2Bin
- \TYPO3\CMS\Core\Utility\GeneralUtility::IPv6Bin2Hex
- \TYPO3\CMS\Core\Utility\GeneralUtility::isRunningOnCgiServerApi
- \TYPO3\CMS\Core\Utility\GeneralUtility::linkThisUrl
- \TYPO3\CMS\Core\Utility\GeneralUtility::milliseconds
- \TYPO3\CMS\Core\Utility\GeneralUtility::presetApplicationContext
- \TYPO3\CMS\Core\Utility\GeneralUtility::resetApplicationContext
- \TYPO3\CMS\Core\Utility\GeneralUtility::verifyFilenameAgainstDenyPattern

In addition, makeInstanceService requires the third parameter to be array
instead of string or array.

The method "getUrl()" now only accepts one argument.

In addition, the testing fram...