[llvm] [DebugInfo][RemoveDIs] Rip out the UseNewDbgInfoFormat flag (PR #143207)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -302,6 +298,7 @@ TEST(ValueTest, replaceUsesOutsideBlock) {
   auto GetNext = [](auto *I) { return &*++I->getIterator(); };
 
   Function *F = M->getFunction("f");
+  F->convertFromNewDbgValues();
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OCHyams wrote:

Why do we want to keep this test around in old-mode? `replaceDbgUsesOutsideBlock` has a DbgRecord implementation - perhaps it would be good to run this test in both modes if you think the old-mode is still needed? 

https://github.com/llvm/llvm-project/pull/143207