Revert r111082. No warnings for this common pattern.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111102 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index 4984d93..4891631 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -78,8 +78,8 @@
   typedef DenseMap<const Type*, PATypeHolder> TheMapTy;
   TheMapTy TheMap;
 
-  LinkerTypeMap(const LinkerTypeMap&) ATTRIBUTE_UNUSED; // DO NOT IMPLEMENT
-  void operator=(const LinkerTypeMap&) ATTRIBUTE_UNUSED; // DO NOT IMPLEMENT
+  LinkerTypeMap(const LinkerTypeMap&); // DO NOT IMPLEMENT
+  void operator=(const LinkerTypeMap&); // DO NOT IMPLEMENT
 public:
   LinkerTypeMap() {}
   ~LinkerTypeMap() {