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

llvm-svn: 240353
diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index 28582f5..8e671fa 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -44,7 +44,7 @@
 class FunctionType;
 class LLVMContext;
 class IndexedInstrProfReader;
-} // namespace llvm
+}
 
 namespace clang {
 class TargetCodeGenInfo;