fix: latex issue

ReadMe.md

@@ -5,12 +5,6 @@ Willing to make custom diagrams for small fee, or even for free depending on the
 
 You can view all the diagrams at https://grandfleet.eu.org.
 
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-Recently I have published a book on tex with the help of chatgpt.
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-[![Starting with Tex](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/41pJEK6B16L.jpg)](https://www.amazon.com/dp/B0BY81DS3Q)]
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 ## Donate
 If you would like to motivate me to spend more time improving open source projects please consider donating.