Revert "Also move WeakRefReferences in CodeGenModule::moveLazyEmssionStates"

This reverts commit 0ecbedc098.

Parent change broke the ASan buildbot. See
https://reviews.llvm.org/D126781 for more information.

clang/lib/CodeGen/CodeGenModule.h

@@ -1499,8 +1499,6 @@ public:
 
     assert(WeakRefReferences.empty() &&
            "Not all WeakRefRefs have been applied");
-    NewBuilder->WeakRefReferences = std::move(WeakRefReferences);
-
     NewBuilder->TBAA = std::move(TBAA);
   }