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

[Matt Arsenault via llvm-commits]

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@@ -28,8 +30,4 @@ static void removeFlagsFromModule(Oracle &O, ReducerWorkItem &WorkItem) {
       }
     }
   }
-}
-
-void llvm::reduceInstructionFlagsMIRDeltaPass(TestRunner &Test) {
-  runDeltaPass(Test, removeFlagsFromModule, "Reducing Instruction Flags");
-}
+}
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arsenm wrote:

```suggestion
}

```

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