Fix lang/ilias_ar.lang duplicate language entries

lang/ilias_ar.lang

@@ -11124,11 +11124,9 @@ mathjax#:#mathjax_limiter#:#Inline Delimiters
 mathjax#:#mathjax_limiter_info#:#Select the inline delimiters as they are configured in your MathJax installation.
 mathjax#:#mathjax_mathjax#:#MathJax
 mathjax#:#mathjax_polyfill_url#:#Url of a Polyfill###31 03 2023 new variable
-mathjax#:#mathjax_polyfill_url_desc_line1#:#For MathJax 2 not needed###31 03 2023 new variable
-mathjax#:#mathjax_polyfill_url_desc_line2#:#For MathJax 3 e.g. https://polyfill.io/v3/polyfill.min.js?features=es6###31 03 2023 new variable
-mathjax#:#mathjax_script_url#:#URL of the MathJax Script###31 03 2023 new variable
 mathjax#:#mathjax_polyfill_url_desc_line1#:#For MathJax 2 and MathJax 3 with current browsers not needed.
 mathjax#:#mathjax_polyfill_url_desc_line2#:#Please remove any reference to polyfill.io! See https://sansec.io/research/polyfill-supply-chain-attack
+mathjax#:#mathjax_script_url#:#URL of the MathJax Script###31 03 2023 new variable
 mathjax#:#mathjax_server_address#:#Server Address###25 10 2016 new variable
 mathjax#:#mathjax_server_address_info#:#E.g. http://localhost:8003###25 10 2016 new variable
 mathjax#:#mathjax_server_cache_cleared#:#The MathJax cache was cleared.###25 10 2016 new variable