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

Apparently, the style needs to be agreed upon first.

llvm-svn: 240390
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp b/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
index 48e1d55..53a676e 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
@@ -61,7 +61,7 @@
   };
   return makeArrayRef(sizes);
 }
-} // namespace
+}
 
 ArrayRef<uint8_t> DWARFFormValue::getFixedFormSizes(uint8_t AddrSize,
                                                     uint16_t Version) {