remove comment and add config

src/client/js/services/AdminCustomizeContainer.js

@@ -254,7 +254,6 @@ export default class AdminCustomizeContainer extends Container {
    * @return {string} Customize title
    */
   async updateCustomizeTitle() {
-    // TODO create apiV3
     const response = await this.appContainer.apiv3.put('/customize-setting/customize-title', {
       customizeTitle: this.state.currentCustomizeTitle,
     });

src/server/models/config.js

@@ -186,6 +186,7 @@ module.exports = function(crowi) {
       attrWhiteList: crowi.xssService.getAttrWhiteList(),
       highlightJsStyle: crowi.configManager.getConfig('crowi', 'customize:highlightJsStyle'),
       highlightJsStyleBorder: crowi.configManager.getConfig('crowi', 'customize:highlightJsStyleBorder'),
+      customizeTitle: crowi.configManager.getConfig('crowi', 'customize:title'),
       customizeHeader: crowi.configManager.getConfig('crowi', 'customize:header'),
       customizeCss: crowi.configManager.getConfig('crowi', 'customize:css'),
       isSavedStatesOfTabChanges: crowi.configManager.getConfig('crowi', 'customize:isSavedStatesOfTabChanges'),