Remove unused includes.

Author: echristo

llvm/lib/Target/AArch64/AArch64ISelLowering.cpp

@@ -66,7 +66,6 @@
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/IR/IntrinsicsAArch64.h"
 #include "llvm/IR/Module.h"
-#include "llvm/IR/OperandTraits.h"
 #include "llvm/IR/PatternMatch.h"
 #include "llvm/IR/Type.h"
 #include "llvm/IR/Use.h"
@@ -76,7 +75,6 @@
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CodeGen.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/InstructionCost.h"