[OpenMP][NFC] Remove `DelayedBinDesc` (#74360)

Remove `DelayedBinDesc` as it is not necessary since
https://github.com/llvm/llvm-project/commit/bc4e0c048aa3cd940b0cea787014c7e8680e5040.
See
https://github.com/llvm/llvm-project/pull/74360#issuecomment-1843603736
for details.

GitOrigin-RevId: d552ce263839ea92ae6bc5d05cf5e20b711019d1
5 files changed