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/Target/X86/X86MCCodeEmitter.cpp b/lib/Target/X86/X86MCCodeEmitter.cpp
index 063de19..b39fce1 100644
--- a/lib/Target/X86/X86MCCodeEmitter.cpp
+++ b/lib/Target/X86/X86MCCodeEmitter.cpp
@@ -19,13 +19,12 @@
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/Compiler.h"
 using namespace llvm;
 
 namespace {
 class X86MCCodeEmitter : public MCCodeEmitter {
-  X86MCCodeEmitter(const X86MCCodeEmitter &) ATTRIBUTE_UNUSED; // DONT IMPLEMENT
-  void operator=(const X86MCCodeEmitter &) ATTRIBUTE_UNUSED; // DO NOT IMPLEMENT
+  X86MCCodeEmitter(const X86MCCodeEmitter &); // DO NOT IMPLEMENT
+  void operator=(const X86MCCodeEmitter &); // DO NOT IMPLEMENT
   const TargetMachine &TM;
   const TargetInstrInfo &TII;
   MCContext &Ctx;