Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC)

Apparently, the style needs to be agreed upon first.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240390 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/SampleProfile.cpp

@@ -174,7 +174,7 @@ protected:
   /// \brief Flag indicating whether the profile input loaded successfully.
   bool ProfileIsValid;
 };
-} // namespace
+}
 
 /// \brief Print the weight of edge \p E on stream \p OS.
 ///