[clang] [clang][ExtractAPI] Record availability information only for the target platform (PR #76823)

[Daniel Grumberg via cfe-commits]

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@@ -16,67 +16,61 @@
 #define LLVM_CLANG_EXTRACTAPI_AVAILABILITY_INFO_H
 
 #include "clang/AST/Decl.h"
-#include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/VersionTuple.h"
 #include "llvm/Support/raw_ostream.h"
-
-using llvm::VersionTuple;
+#include <vector>
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daniel-grumberg wrote:

I don't think this is needed?

https://github.com/llvm/llvm-project/pull/76823