[clang] [llvm] [X86][AVX10.2] Remove YMM rounding from VCVTTP.*QS (PR #132414)

[Simon Pilgrim via llvm-commits]

https://github.com/RKSimon approved this pull request.

LGTM with the clang-format warning fix on the header

https://github.com/llvm/llvm-project/pull/132414