[mlir] [llvm] [OpenMPIRBuilder] Do not call host runtime for GPU teams codegen (PR #79984)

[Sergio Afonso via llvm-commits]

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

Thanks Dominik, this LGTM. I only have very minor comments. Please give it at least a day before merging in case others have any suggestions to make.

https://github.com/llvm/llvm-project/pull/79984