Revert r240270 ("Fixed/added namespace ending comments using clang-tidy").

llvm-svn: 240353
diff --git a/clang/lib/CodeGen/CGCleanup.h b/clang/lib/CodeGen/CGCleanup.h
index 792cc07..81c6412 100644
--- a/clang/lib/CodeGen/CGCleanup.h
+++ b/clang/lib/CodeGen/CGCleanup.h
@@ -551,7 +551,7 @@
   return stable_iterator(EndOfBuffer - ir.Ptr);
 }
 
-} // namespace CodeGen
-} // namespace clang
+}
+}
 
 #endif