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

llvm-svn: 240353
diff --git a/clang/lib/Frontend/DependencyFile.cpp b/clang/lib/Frontend/DependencyFile.cpp
index 30fdf94..0995ab4 100644
--- a/clang/lib/Frontend/DependencyFile.cpp
+++ b/clang/lib/Frontend/DependencyFile.cpp
@@ -198,7 +198,7 @@
   bool visitInputFile(StringRef Filename, bool isSystem,
                       bool isOverridden) override;
 };
-} // namespace
+}
 
 DependencyFileGenerator::DependencyFileGenerator(void *Impl)
 : Impl(Impl) { }