clean includes

Author: nkcsgexi

unittests/Basic/BlocklistTest.cpp

@@ -11,13 +11,9 @@
 //===----------------------------------------------------------------------===//
 
 #include "gtest/gtest.h"
-#include "swift/AST/ASTContext.h"
-#include "swift/AST/DiagnosticEngine.h"
 #include "swift/AST/SearchPathOptions.h"
 #include "swift/Basic/Defer.h"
 #include "swift/Basic/BlockList.h"
-#include "swift/Basic/LangOptions.h"
-#include "swift/Basic/SourceManager.h"
 
 using namespace swift;