SoapboxConfig: improve layout

app/soapbox/features/soapbox_config/index.js

@@ -229,7 +229,6 @@ class SoapboxConfig extends ImmutablePureComponent {
               />
             </FieldsGroup>
             <FieldsGroup>
-              <div className='fields-row__column fields-group'>
               <div className='input with_block_label'>
                 <label><FormattedMessage id='soapbox_config.fields.promo_panel_fields_label' defaultMessage='Promo panel items' /></label>
                 <span className='hint'>
@@ -301,7 +300,6 @@ class SoapboxConfig extends ImmutablePureComponent {
                   </div>
                 </div>
               </div>
-              </div>
             </FieldsGroup>
             <Accordion
               headline={intl.formatMessage(messages.rawJSONLabel)}