[no-ci] Update README.md

Author: lemire

README.md

@@ -6,7 +6,6 @@ That is, we see to build fast and convenient code to map your data structure to
 Ultimately, this work might cover both serialization and deserialization.
 
 We've seen different proposals for C++ reflection, for now we will focus on the [latest p2996 paper](https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2996r4.html) that is targeting C++26.
-https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2996r4.html
 
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