Remove unnecessary header

Author: scentini

lib/Sema/TypeCheckAccess.cpp

@@ -32,7 +32,6 @@
 #include "clang/Basic/Module.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/Support/Debug.h"
 
 using namespace swift;