Remove XFA_ReleaseLayoutItem_NoPageArea().

It has no callers except itself.

Change-Id: Iac25bd9205ff02cb1db961f7ef335ab9eb7c8b79
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/54491
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

xfa/fxfa/layout/cxfa_layoutitem.cpp

diff --git a/xfa/fxfa/layout/cxfa_layoutitem.cpp b/xfa/fxfa/layout/cxfa_layoutitem.cpp
index 1e18566..c4debae 100644
--- a/xfa/fxfa/layout/cxfa_layoutitem.cpp
+++ b/xfa/fxfa/layout/cxfa_layoutitem.cpp
@@ -33,20 +33,6 @@
   delete pLayoutItem;
 }
 
-void XFA_ReleaseLayoutItem_NoPageArea(CXFA_LayoutItem* pLayoutItem) {
-  CXFA_LayoutItem* pNode = pLayoutItem->GetFirstChild();
-  while (pNode) {
-    CXFA_LayoutItem* pNext = pNode->GetNextSibling();
-    XFA_ReleaseLayoutItem_NoPageArea(pNode);
-    pNode = pNext;
-  }
-  if (pLayoutItem->GetFormNode()->GetElementType() == XFA_Element::PageArea)
-    return;
-
-  pLayoutItem->RemoveSelfIfParented();
-  delete pLayoutItem;
-}
-
 CXFA_LayoutItem::CXFA_LayoutItem(CXFA_Node* pNode, ItemType type)
     : m_ItemType(type), m_pFormNode(pNode) {}
 

xfa/fxfa/layout/cxfa_layoutitem.h

diff --git a/xfa/fxfa/layout/cxfa_layoutitem.h b/xfa/fxfa/layout/cxfa_layoutitem.h
index b92fdc1..b162fc0 100644
--- a/xfa/fxfa/layout/cxfa_layoutitem.h
+++ b/xfa/fxfa/layout/cxfa_layoutitem.h
@@ -48,6 +48,5 @@
 }
 
 void XFA_ReleaseLayoutItem(CXFA_LayoutItem* pLayoutItem);
-void XFA_ReleaseLayoutItem_NoPageArea(CXFA_LayoutItem* pLayoutItem);
 
 #endif  // XFA_FXFA_LAYOUT_CXFA_LAYOUTITEM_H_