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

llvm-svn: 240353
diff --git a/clang/lib/Parse/ParseExpr.cpp b/clang/lib/Parse/ParseExpr.cpp
index 6ccd7a9..da759c7 100644
--- a/clang/lib/Parse/ParseExpr.cpp
+++ b/clang/lib/Parse/ParseExpr.cpp
@@ -485,7 +485,7 @@
   Token NextToken;
   bool AllowNonTypes;
 };
-} // namespace
+}
 
 /// \brief Parse a cast-expression, or, if \pisUnaryExpression is true, parse
 /// a unary-expression.