Remove redundant includes

Author: Icohedron

llvm/lib/Target/DirectX/DXILCBufferAccess.cpp

@@ -13,10 +13,8 @@
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/IntrinsicsDirectX.h"
-#include "llvm/IR/Operator.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Pass.h"
-#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/FormatVariadic.h"
 #include "llvm/Transforms/Utils/Local.h"