Remove the theming option wizardSelectiveSyncDefaultNothing

We recommend `newBigFolderSizeLimit` together with `wizardHideFolderSizeLimitCheckbox`
as an alternative

src/gui/folderwizard.cpp

@@ -508,11 +508,7 @@ void FolderWizardSelectiveSync::initializePage()
     QString alias = QFileInfo(targetPath).fileName();
     if (alias.isEmpty())
         alias = Theme::instance()->appName();
-    QStringList initialBlacklist;
-    if (Theme::instance()->wizardSelectiveSyncDefaultNothing()) {
-        initialBlacklist = QStringList("/");
-    }
-    _selectiveSync->setFolderInfo(targetPath, alias, initialBlacklist);
+    _selectiveSync->setFolderInfo(targetPath, alias);
     QWizardPage::initializePage();
 }
 

src/gui/wizard/owncloudadvancedsetuppage.cpp

@@ -153,12 +153,6 @@ void OwncloudAdvancedSetupPage::initializePage()
     connect(quotaJob, &PropfindJob::result, this, &OwncloudAdvancedSetupPage::slotQuotaRetrieved);
     quotaJob->start();
 
-
-    if (Theme::instance()->wizardSelectiveSyncDefaultNothing()) {
-        _selectiveSyncBlacklist = QStringList("/");
-        QTimer::singleShot(0, this, &OwncloudAdvancedSetupPage::slotSelectiveSyncClicked);
-    }
-
     ConfigFile cfgFile;
     auto newFolderLimit = cfgFile.newBigFolderSizeLimit();
     _ui.confCheckBoxSize->setChecked(newFolderLimit.first);
@@ -339,8 +333,7 @@ void OwncloudAdvancedSetupPage::slotSelectiveSyncClicked()
     bool updateBlacklist = false;
 
     // We need to update the selective sync blacklist either when the dialog
-    // was accepted, or when it was used in conjunction with the
-    // wizardSelectiveSyncDefaultNothing feature and was cancelled - in that
+    // was accepted in that
     // case the stub blacklist of / was expanded to the actual list of top
     // level folders by the selective sync dialog.
     if (result == QDialog::Accepted) {

src/libsync/theme.cpp

@@ -446,11 +446,6 @@ QPixmap Theme::wizardHeaderBanner(const QSize &size) const
 }
 #endif
 
-bool Theme::wizardSelectiveSyncDefaultNothing() const
-{
-    return false;
-}
-
 QString Theme::webDavPath() const
 {
     return QLatin1String("remote.php/webdav/");

src/libsync/theme.h

@@ -223,12 +223,6 @@ class OWNCLOUDSYNC_EXPORT Theme : public QObject
      */
     virtual QString updateCheckUrl() const;
 
-    /**
-     * When true, the setup wizard will show the selective sync dialog by default and default
-     * to nothing selected
-     */
-    virtual bool wizardSelectiveSyncDefaultNothing() const;
-
     /**
      * Default option for the newBigFolderSizeLimit.
      * Size in MB of the maximum size of folder before we ask the confirmation.