Removed uniqueLinkVars option

jup.. I did it
Added that with https://github.com/TYPO3-Documentation/TYPO3CMS-Reference-Typoscript/commit/ded4147939699e658d8db30df5a811c1be6ed5b7 and https://github.com/TYPO3-Documentation/TYPO3CMS-Reference-Typoscript/commit/03690939f8e16cda1520534892bd666e7c8fce99