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

llvm-svn: 240353
diff --git a/clang/lib/CodeGen/CodeGenAction.cpp b/clang/lib/CodeGen/CodeGenAction.cpp
index 89d01a1..54e6b73 100644
--- a/clang/lib/CodeGen/CodeGenAction.cpp
+++ b/clang/lib/CodeGen/CodeGenAction.cpp
@@ -258,7 +258,7 @@
   };
   
   void BackendConsumer::anchor() {}
-} // namespace clang
+}
 
 /// ConvertBackendLocation - Convert a location in a temporary llvm::SourceMgr
 /// buffer to be a valid FullSourceLoc.