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

llvm-svn: 240353
diff --git a/clang/lib/Lex/PreprocessingRecord.cpp b/clang/lib/Lex/PreprocessingRecord.cpp
index 824546a..a423041 100644
--- a/clang/lib/Lex/PreprocessingRecord.cpp
+++ b/clang/lib/Lex/PreprocessingRecord.cpp
@@ -195,7 +195,7 @@
   }
 };
 
-} // namespace
+}
 
 unsigned PreprocessingRecord::findBeginLocalPreprocessedEntity(
                                                      SourceLocation Loc) const {