Override Validation Components

custom-builder.js

import BaseEditValidationForm from 'formiojs/components/base/editForm/Base.edit.validation.form';
import _ from 'lodash';
const customValidation = _.cloneDeep(BaseEditValidationForm[4]);
customValidation.components.splice(3, 1);

Formio.builder(document.getElementById('builder'), {}, {
  editForm: {
    textfield: [
      {
        key: 'validation',
        components: [
            {
                key: 'custom-validation-js',
                components: customValidation.components
            }
        ]
      }        
    ]
  }
}).then(function(builder) {
  builder.on('saveComponent', function() {
    console.log(builder.schema);
  });
});