remove unused Link<> field

Change-Id: Ia2e3180b8794e0875869640ae0c45026718c1946

formula/source/ui/dlg/ControlHelper.hxx

@@ -89,7 +89,6 @@ class ArgInput
 private:
     Link<ArgInput&,void>          aFxClickLink;
     Link<ArgInput&,void>          aFxFocusLink;
-    Link<>          aRefFocusLink;
     Link<>          aEdFocusLink;
     Link<>          aEdModifyLink;
 
@@ -100,7 +99,6 @@ private:
 
     DECL_LINK_TYPED( FxBtnClickHdl, Button*, void );
     DECL_LINK(  FxBtnFocusHdl, ImageButton* );
-    DECL_LINK(  RefBtnFocusHdl,RefButton* );
     DECL_LINK(  EdFocusHdl, ArgEdit* );
     DECL_LINK(  EdModifyHdl,ArgEdit* );
 
@@ -108,7 +106,6 @@ protected:
 
     void    FxClick();
     void    FxFocus();
-    void    RefFocus();
     void    EdFocus();
     void    EdModify();
 

formula/source/ui/dlg/funcutl.cxx

@@ -165,10 +165,6 @@ void ArgInput::InitArgInput( FixedText* pftArg, PushButton* pbtnFx,
         pBtnFx->SetClickHdl   ( LINK( this, ArgInput, FxBtnClickHdl ) );
         pBtnFx->SetGetFocusHdl( LINK( this, ArgInput, FxBtnFocusHdl ) );
     }
-    if(pRefBtn!=nullptr)
-    {
-        pRefBtn->SetGetFocusHdl( LINK( this, ArgInput, RefBtnFocusHdl ) );
-    }
     if(pEdArg!=nullptr)
     {
         pEdArg->SetGetFocusHdl ( LINK( this, ArgInput, EdFocusHdl ) );
@@ -273,11 +269,6 @@ void ArgInput::FxFocus()
     aFxFocusLink.Call(*this);
 }
 
-void ArgInput::RefFocus()
-{
-    aRefFocusLink.Call(this);
-}
-
 void ArgInput::EdFocus()
 {
     aEdFocusLink.Call(this);
@@ -302,14 +293,6 @@ IMPL_LINK( ArgInput, FxBtnFocusHdl, ImageButton*, pBtn )
     return 0;
 }
 
-IMPL_LINK( ArgInput, RefBtnFocusHdl,RefButton*, pBtn )
-{
-    if(pRefBtn == pBtn)
-        RefFocus();
-
-    return 0;
-}
-
 IMPL_LINK( ArgInput, EdFocusHdl, ArgEdit*, pEd )
 {
     if(pEd == pEdArg)