[clang] [clang][Darwin] Remove legacy framework search path logic in the frontend (PR #138234)

[Ian Anderson via cfe-commits]

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@@ -1366,6 +1366,15 @@ ToolChain::CXXStdlibType ToolChain::GetCXXStdlibType(const ArgList &Args) const{
   return *cxxStdlibType;
 }
 
+/// Utility function to add a system framework directory to CC1 arguments.
+/*static*/ void
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ian-twilightcoder wrote:

I copied this from `addSystemInclude` for consistency. I can still change it you think it looks dumb.

https://github.com/llvm/llvm-project/pull/138234