[CodeView] Remove unused declaration collectInlineSiteChildren (NFC)

The function definition was removed on Sep 7, 2016 in commit
a9f4cc9510546f5728258524d344a3e03e43500b.  The declaration seems to be
unused since then.

diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
index 778b1d7..9eee549 100644 (file)
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
@@ -230,10 +230,6 @@ class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase {
   void calculateRanges(LocalVariable &Var,
                        const DbgValueHistoryMap::Entries &Entries);
 
-  static void collectInlineSiteChildren(SmallVectorImpl<unsigned> &Children,
-                                        const FunctionInfo &FI,
-                                        const InlineSite &Site);
-
   /// Remember some debug info about each function. Keep it in a stable order to
   /// emit at the end of the TU.
   MapVector<const Function *, std::unique_ptr<FunctionInfo>> FnDebugInfo;