Remove unused import from ReactCodeInput story

Author: acusti

src/ReactCodeInput.stories.js

@@ -1,8 +1,8 @@
-import React                                                       from 'react';
-import { storiesOf }                                               from '@storybook/react';
-import { action }                                                  from '@storybook/addon-actions';
-import { array, withKnobs, boolean, object, text, select, number } from '@storybook/addon-knobs';
-import { withInfo }                                                from '@storybook/addon-info';
+import React                                                from 'react';
+import { storiesOf }                                        from '@storybook/react';
+import { action }                                           from '@storybook/addon-actions';
+import { withKnobs, boolean, object, text, select, number } from '@storybook/addon-knobs';
+import { withInfo }                                         from '@storybook/addon-info';
 
 import ReactCodeInput from './ReactCodeInput.js';
 import CodeInputField from "./ReactCodeInput";