[clang] [clang-format] Remove obsolete code (PR #220080)

[via cfe-commits]

owenca wrote:

I would do this instead:
```diff
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -2336,7 +2336,7 @@ private:
       for (FormatToken *Previous = Current.Previous;
            Previous && Previous->isOneOf(tok::star, tok::amp);
            Previous = Previous->Previous) {
-        Previous->setType(TT_PointerOrReference);
+        Previous->setFinalizedType(TT_PointerOrReference);
       }
       if (Line.MustBeDeclaration &&
           Contexts.front().ContextType != Context::CtorInitializer) {
```
IMO, this is more conservative and serves a catch-all for uncovered edge cases.

https://github.com/llvm/llvm-project/pull/220080