Update libcxx/docs/ReleaseNotes/22.rst

Author: Zingam

libcxx/docs/ReleaseNotes/22.rst

@@ -38,7 +38,6 @@ What's New in Libc++ 22.0.0?
 Implemented Papers
 ------------------
 
-- P2321R2: ``zip`` (`Github <https://github.com/llvm/llvm-project/issues/105169>`__) (The paper is partially implemented. ``zip_transform_view`` is implemented in this release)
 - P2321R2: ``zip`` (`Github <https://github.com/llvm/llvm-project/issues/105169>`__) (The paper is partially
   implemented. ``zip_transform_view`` is implemented in this release)
 - P3223R2: Making ``std::istream::ignore`` less surprising (`Github <https://github.com/llvm/llvm-project/issues/148178>`__)