Remove unused CPDF_InteractiveForm methods

GetFormDict() and GetMutableFormDict() are not called.

Change-Id: Ie23fbfd0e8f9ce730b310ad79959ecc8d8871d91
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/98931
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
diff --git a/core/fpdfdoc/cpdf_interactiveform.h b/core/fpdfdoc/cpdf_interactiveform.h
index 3499ef5..0d95280 100644
--- a/core/fpdfdoc/cpdf_interactiveform.h
+++ b/core/fpdfdoc/cpdf_interactiveform.h
@@ -91,8 +91,6 @@
   void FixPageFields(CPDF_Page* pPage);
 
   CPDF_Document* GetDocument() const { return m_pDocument.Get(); }
-  const CPDF_Dictionary* GetFormDict() const { return m_pFormDict.Get(); }
-  RetainPtr<CPDF_Dictionary> GetMutableFormDict() { return m_pFormDict; }
 
   // Wrap callbacks thru NotifierIface.
   bool NotifyBeforeValueChange(CPDF_FormField* pField,