refactor(react): update DatePickerInput to use one icons-react import (#8515)

* refactor(react): update DatePickerInput to use one icons-react import

* chore(react): format files

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

Author: joshblack

packages/react/src/components/DatePickerInput/DatePickerInput.js

@@ -9,8 +9,11 @@ import PropTypes from 'prop-types';
 import React, { Component } from 'react';
 import classNames from 'classnames';
 import { settings } from 'carbon-components';
-import { WarningFilled16, WarningAltFilled16 } from '@carbon/icons-react';
-import { Calendar16 } from '@carbon/icons-react';
+import {
+  Calendar16,
+  WarningFilled16,
+  WarningAltFilled16,
+} from '@carbon/icons-react';
 
 const { prefix } = settings;