gutter prop appears on Dom Element when it is applied on Col

[vripoche]

🐛 Bug Report

SmoothUI 10.0.2

On adding a gutter on Col, it is works but the props appears col element in DOM.

• add gutter={0} on Col Smooth UI Grid item:

<Grid>
  <Row>
    <Col gutter={0}>
    </Col>
  </Row>
</Grid>

It should not appear in DOM because it is not a standard attribute for DOM element.

## System:
 - OS: macOS 10.14.3
 - CPU: (8) x64 Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
 - Memory: 86.57 MB / 16.00 GB
 - Shell: 5.3 - /bin/zsh
## Binaries:
 - Node: 10.14.2 - ~/.nvm/versions/node/v10.14.2/bin/node
 - Yarn: 1.12.3 - ~/.nvm/versions/node/v10.14.2/bin/yarn
 - npm: 6.4.1 - ~/.nvm/versions/node/v10.14.2/bin/npm