Merge to XFA: Remove dead code found by Scythe.

fpdfsdk/src/formfiller/FFL_FormFiller.cpp

Index: fpdfsdk/src/formfiller/FFL_FormFiller.cpp
diff --git a/fpdfsdk/src/formfiller/FFL_FormFiller.cpp b/fpdfsdk/src/formfiller/FFL_FormFiller.cpp
index 17c6fc1b5cd353356156e56e8a8fd6f7cae246be..717d1a57b148ccd083ca8e249a523ac750da409e 100644
--- a/fpdfsdk/src/formfiller/FFL_FormFiller.cpp
+++ b/fpdfsdk/src/formfiller/FFL_FormFiller.cpp
@@ -628,10 +628,6 @@ void CFFL_FormFiller::SaveData(CPDFSDK_PageView* pPageView)
 {
 }
 
-void CFFL_FormFiller::GetKeyStrokeData(CPDFSDK_PageView* pPageView, FFL_KeyStrokeData& data)
-{
-}
-
 FX_BOOL CFFL_FormFiller::IsFieldFull(CPDFSDK_PageView* pPageView)
 {
     return FALSE;