CodeGen/EdgeBundles - move Twine.h include down into EdgeBundles.cpp. NFC.

EdgeBundles.h has no use for it.
diff --git a/llvm/include/llvm/CodeGen/EdgeBundles.h b/llvm/include/llvm/CodeGen/EdgeBundles.h
index 28cdf54..b269560 100644
--- a/llvm/include/llvm/CodeGen/EdgeBundles.h
+++ b/llvm/include/llvm/CodeGen/EdgeBundles.h
@@ -17,7 +17,6 @@
 
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/IntEqClasses.h"
-#include "llvm/ADT/Twine.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 
 namespace llvm {
diff --git a/llvm/lib/CodeGen/EdgeBundles.cpp b/llvm/lib/CodeGen/EdgeBundles.cpp
index dfaf7f5..0b2ffda 100644
--- a/llvm/lib/CodeGen/EdgeBundles.cpp
+++ b/llvm/lib/CodeGen/EdgeBundles.cpp
@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/CodeGen/EdgeBundles.h"
+#include "llvm/ADT/Twine.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/Passes.h"