Delete dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254436 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Linker/Linker.h

@@ -72,7 +72,6 @@ public:
   Linker(Module *M);
 
   Module *getModule() const { return Composite; }
-  void deleteModule();
 
   /// \brief Link \p Src into the composite. The source is destroyed.
   /// Passing OverrideSymbols as true will have symbols from Src

lib/Linker/LinkModules.cpp

@@ -2051,11 +2051,6 @@ Linker::Linker(Module *M)
         Composite->getContext().diagnose(DI);
       }) {}
 
-void Linker::deleteModule() {
-  delete Composite;
-  Composite = nullptr;
-}
-
 bool Linker::linkInModule(Module *Src, unsigned Flags,
                           const FunctionInfoIndex *Index,
                           Function *FuncToImport) {