title: Remove prefix tablename in join query result
body: <p>Using nodejs(10.15.0),sequelize (4.42.0) and MySQL, am trying the remove table path  from the result in join query.</p>
  
  <pre><code>Table1
      .findAll({
        attributes: ['id', 'name', 'other'],
        include: [{
          attributes: ['code_id'],
          model: Table2,
          nested: false,
          required: true,
        }],
        raw: true,
      })
  </code></pre>
  
  <p>Query Result </p>
  
  <pre><code>[
    {
      "id": 1,
      "name": "stuff",
      "other": true,
      "table2.code_id": 1,
    }
  ]
  </code></pre>
  
  <p>Expecting to happen </p>
  
  <pre><code>      [
    {
      "id": 1,
      "name": "stuff",
      "other": true,
      "code_id": 1,
    }
  ]
  </code></pre>