remove import bookmark

src/server/routes/index.js

@@ -23,7 +23,6 @@ module.exports = function(crowi, app) {
   const user = require('./user')(crowi, app);
   const attachment = require('./attachment')(crowi, app);
   const comment = require('./comment')(crowi, app);
-  const bookmark = require('./bookmark')(crowi, app);
   const tag = require('./tag')(crowi, app);
   const revision = require('./revision')(crowi, app);
   const search = require('./search')(crowi, app);