[Qt] remove unused optionsmodel from addressbookpage

src/qt/addressbookpage.cpp

@@ -10,7 +10,6 @@
 #include "ui_addressbookpage.h"
 
 #include "addresstablemodel.h"
-#include "optionsmodel.h"
 #include "bitcoingui.h"
 #include "editaddressdialog.h"
 #include "csvmodelwriter.h"
@@ -25,7 +24,6 @@ AddressBookPage::AddressBookPage(Mode mode, Tabs tab, QWidget *parent) :
     QDialog(parent),
     ui(new Ui::AddressBookPage),
     model(0),
-    optionsModel(0),
     mode(mode),
     tab(tab)
 {
@@ -148,11 +146,6 @@ void AddressBookPage::setModel(AddressTableModel *model)
     selectionChanged();
 }
 
-void AddressBookPage::setOptionsModel(OptionsModel *optionsModel)
-{
-    this->optionsModel = optionsModel;
-}
-
 void AddressBookPage::on_copyAddress_clicked()
 {
     GUIUtil::copyEntryData(ui->tableView, AddressTableModel::Address);