Remove foxit app related setter and getter APIs in XFA code

fpdfsdk/fpdfxfa/fpdfxfa_app.cpp

Index: fpdfsdk/fpdfxfa/fpdfxfa_app.cpp
diff --git a/fpdfsdk/fpdfxfa/fpdfxfa_app.cpp b/fpdfsdk/fpdfxfa/fpdfxfa_app.cpp
index 5fe114a64cca6bd6e33f050deaccfbdc8b02488f..5774a54785e5ed54196def740d62752f658552bb 100644
--- a/fpdfsdk/fpdfxfa/fpdfxfa_app.cpp
+++ b/fpdfsdk/fpdfxfa/fpdfxfa_app.cpp
@@ -93,20 +93,10 @@ void CPDFXFA_App::GetAppName(CFX_WideString& wsName) {
   }
 }
 
-void CPDFXFA_App::GetFoxitAppName(CFX_WideString& wsFoxitName) {
-  wsFoxitName = L"Foxit";
-}
-
 void CPDFXFA_App::SetAppType(const CFX_WideStringC& wsAppType) {
   m_csAppType = wsAppType;
 }
 
-void CPDFXFA_App::SetFoxitAppType(const CFX_WideStringC& wsFoxitAppType) {}
-
-void CPDFXFA_App::GetFoxitAppType(CFX_WideString& wsFoxitAppType) {
-  wsFoxitAppType.clear();
-}
-
 void CPDFXFA_App::GetLanguage(CFX_WideString& wsLanguage) {
   CPDFDoc_Environment* pEnv = m_pEnvList.GetAt(0);
   if (pEnv) {
@@ -129,10 +119,6 @@ void CPDFXFA_App::GetVersion(CFX_WideString& wsVersion) {
   wsVersion = JS_STR_VIEWERVERSION_XFA;
 }
 
-void CPDFXFA_App::GetFoxitVersion(CFX_WideString& wsFoxitVersion) {
-  wsFoxitVersion = L"7.0";
-}
-
 void CPDFXFA_App::Beep(uint32_t dwType) {
   CPDFDoc_Environment* pEnv = m_pEnvList.GetAt(0);
   if (pEnv) {