Remove fullscreen code.

xfa/fwl/core/fwl_sdadapterimp.cpp

Index: xfa/fwl/core/fwl_sdadapterimp.cpp
diff --git a/xfa/fwl/core/fwl_sdadapterimp.cpp b/xfa/fwl/core/fwl_sdadapterimp.cpp
index 50246517cca64a3493604f6a8be0b4caa388d54e..9732414ea13536809f4ed199b877841f5a06cff0 100644
--- a/xfa/fwl/core/fwl_sdadapterimp.cpp
+++ b/xfa/fwl/core/fwl_sdadapterimp.cpp
@@ -89,10 +89,6 @@ FWL_ERR CFWL_SDAdapterWidgetMgr::SetTransparent(IFWL_Widget* pWidget,
                                                 uint32_t dwAlpha) {
   return FWL_ERR_Succeeded;
 }
-FWL_ERR CFWL_SDAdapterWidgetMgr::SetFullScreen(IFWL_Widget* pWidget,
-                                               FX_BOOL bFullScreen) {
-  return FWL_ERR_Succeeded;
-}
 FX_BOOL CFWL_SDAdapterWidgetMgr::CheckMessage() {
   return TRUE;
 }