Remove stale comment from cpdf_hint_tables.h

The `m_pDataAvail` member does not exist.

-- follow the "unowned objects go last" heuristic.

Change-Id: I4487a2276a85770bcd5b013c4f6c0ac945b337e3
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/106030
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Auto-Submit: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/core/fpdfapi/parser/cpdf_hint_tables.h b/core/fpdfapi/parser/cpdf_hint_tables.h
index 672304a..072d6e6 100644
--- a/core/fpdfapi/parser/cpdf_hint_tables.h
+++ b/core/fpdfapi/parser/cpdf_hint_tables.h
@@ -99,16 +99,12 @@
  private:
   FX_FILESIZE HintsOffsetToFileOffset(uint32_t hints_offset) const;
 
-  // Owned by |m_pDataAvail|.
-  UnownedPtr<CPDF_ReadValidator> m_pValidator;
-
-  // Owned by |m_pDataAvail|.
-  UnownedPtr<const CPDF_LinearizedHeader> const m_pLinearized;
-
   uint32_t m_nFirstPageSharedObjs = 0;
   FX_FILESIZE m_szFirstPageObjOffset = 0;
   std::vector<PageInfo> m_PageInfos;
   std::vector<SharedObjGroupInfo> m_SharedObjGroupInfos;
+  UnownedPtr<CPDF_ReadValidator> m_pValidator;
+  UnownedPtr<const CPDF_LinearizedHeader> const m_pLinearized;
 };
 
 #endif  // CORE_FPDFAPI_PARSER_CPDF_HINT_TABLES_H_