[llvm] [llvm-reduce]: print short form, actionable names in the log (PR #133561)

[Matt Arsenault via llvm-commits]

================
@@ -134,9 +133,4 @@ static void extractDistinctMetadataFromModule(Oracle &O,
   }
   for (NamedMDNode &NamedNode : Program.named_metadata())
     cleanUpTemporaries(NamedNode, TemporaryTuple, Program);
-}
-
-void llvm::reduceDistinctMetadataDeltaPass(TestRunner &Test) {
-  runDeltaPass(Test, extractDistinctMetadataFromModule,
-               "Reducing Distinct Metadata");
-}
+}
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arsenm wrote:

```suggestion
}

```

https://github.com/llvm/llvm-project/pull/133561