Hexagon: Remove forbidden iostream includes (it introduces static initializers)

Reorder includes while at it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149863 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Hexagon/HexagonRemoveSZExtArgs.cpp b/lib/Target/Hexagon/HexagonRemoveSZExtArgs.cpp
index 3ca257f..66a00e1 100644
--- a/lib/Target/Hexagon/HexagonRemoveSZExtArgs.cpp
+++ b/lib/Target/Hexagon/HexagonRemoveSZExtArgs.cpp
@@ -1,4 +1,4 @@
-//=- HexagonRemoveExtendArgs.cpp - Remove unecessary argument sign extends --=//
+//===- HexagonRemoveExtendArgs.cpp - Remove unecessary argument sign extends =//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -12,15 +12,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-
-
-#include "llvm/Pass.h"
+#include "HexagonTargetMachine.h"
 #include "llvm/Function.h"
 #include "llvm/Instructions.h"
-#include "llvm/Transforms/Scalar.h"
+#include "llvm/Pass.h"
 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
-#include "HexagonTargetMachine.h"
-#include <iostream>
+#include "llvm/Transforms/Scalar.h"
 
 using namespace llvm;
 namespace {