[llvm] ARM: Remove unused CondCode field from libcall table (PR #142616)

[Matt Arsenault via llvm-commits]

arsenm wrote:

### Merge activity

* **Jun 3, 9:00 PM UTC**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/142616).


https://github.com/llvm/llvm-project/pull/142616