lint(manuscript-manager): remove unused import

packages/component-manuscript-manager/src/routes/fragmentsRecommendations/post.js

 /* eslint-disable no-return-await */
 const uuid = require('uuid')
-const { pick, get, set, has, isEmpty, last, findLast } = require('lodash')
+const { pick, get, set, has, isEmpty, last } = require('lodash')
 const config = require('config')
 const { v4 } = require('uuid')
 const logger = require('@pubsweet/logger')