Remove IXFA_* interfaces.

xfa/fxfa/parser/xfa_docdata.h

Index: xfa/fxfa/parser/xfa_docdata.h
diff --git a/xfa/fxfa/parser/xfa_docdata.h b/xfa/fxfa/parser/xfa_docdata.h
index b57b8da55246b7b78c7ee86299488bb723622bea..690ff3334f6c2c7cf8d6b92db1fb9db7a2d216c3 100644
--- a/xfa/fxfa/parser/xfa_docdata.h
+++ b/xfa/fxfa/parser/xfa_docdata.h
@@ -13,24 +13,4 @@ enum XFA_DATAFORMAT {
   XFA_DATAFORMAT_XDP,
 };
 
-class IXFA_PacketExport {
- public:
-  static IXFA_PacketExport* Create(CXFA_Document* pDocument,
-                                   XFA_DATAFORMAT eFormat = XFA_DATAFORMAT_XDP);
-  virtual ~IXFA_PacketExport() {}
-  virtual void Release() = 0;
-  virtual FX_BOOL Export(IFX_FileWrite* pWrite) = 0;
-  virtual FX_BOOL Export(IFX_FileWrite* pWrite,
-                         CXFA_Node* pNode,
-                         uint32_t dwFlag = 0,
-                         const FX_CHAR* pChecksum = NULL) = 0;
-};
-class IXFA_PacketImport {
- public:
-  static IXFA_PacketImport* Create(CXFA_Document* pDstDoc);
-  virtual ~IXFA_PacketImport() {}
-  virtual void Release() = 0;
-  virtual FX_BOOL ImportData(IFX_FileRead* pDataDocument) = 0;
-};
-
 #endif  // XFA_FXFA_PARSER_XFA_DOCDATA_H_