[llvm] [BOLT] Tidy up code (PR #92927)

[Heewon Cho via llvm-commits]

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@@ -36,7 +36,6 @@ static void getKernelVersion(uint32_t *Val) {
   // release should be in the format: %d.%d.%d
   // major, minor, release
   struct UtsNameTy UtsName;
-  int Ret = __uname(&UtsName);
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Pribess wrote:

I just updated it. Could you re-review it please?

https://github.com/llvm/llvm-project/pull/92927