Remove unused CPDF_Reference::GetObjList().

Change-Id: I5d088858f9f12644e80f7e7fa56ae4f8c0012d39
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/96312
Commit-Queue: Lei Zhang <thestig@chromium.org>
Auto-Submit: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/core/fpdfapi/parser/cpdf_reference.h b/core/fpdfapi/parser/cpdf_reference.h
index 7eca4b0..b468442 100644
--- a/core/fpdfapi/parser/cpdf_reference.h
+++ b/core/fpdfapi/parser/cpdf_reference.h
@@ -35,7 +35,6 @@
   RetainPtr<CPDF_Object> MakeReference(
       CPDF_IndirectObjectHolder* holder) const override;
 
-  CPDF_IndirectObjectHolder* GetObjList() const { return m_pObjList.Get(); }
   uint32_t GetRefObjNum() const { return m_RefObjNum; }
   void SetRef(CPDF_IndirectObjectHolder* pDoc, uint32_t objnum);