Remove unused method CPDF_Link::GetDict()

Change-Id: Ia53b200f835b2ef95ef16b84622017cf14c8baff
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/98791
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Auto-Submit: Tom Sepez <tsepez@chromium.org>

core/fpdfdoc/cpdf_link.h

diff --git a/core/fpdfdoc/cpdf_link.h b/core/fpdfdoc/cpdf_link.h
index 2b2faec..b7e95eb 100644
--- a/core/fpdfdoc/cpdf_link.h
+++ b/core/fpdfdoc/cpdf_link.h
@@ -20,7 +20,6 @@
   CPDF_Link(const CPDF_Link& that);
   ~CPDF_Link();
 
-  const CPDF_Dictionary* GetDict() const { return m_pDict.Get(); }
   RetainPtr<CPDF_Dictionary> GetMutableDict() const { return m_pDict; }
   CFX_FloatRect GetRect();
   CPDF_Dest GetDest(CPDF_Document* pDoc);