Refactor import statements to use ES6 module syntax and remove unused declarations

src/declarations.d.ts

@@ -1,4 +0,0 @@
-declare module '*.module.scss' {
-  const styles: { [className: string]: string };
-  export = styles;
-}

src/webparts/recurringEvents/RecurringEventsWebPart.ts

@@ -15,7 +15,7 @@ import { RecurringEventsDataService } from './RecurringEventsDataService';
 import { EventsLayout, IEventDateRange, IEventsListOption, IRecurringEvent } from './RecurringEventsTypes';
 import RecurringEvents from './components/RecurringEvents';
 import { IRecurringEventsProps } from './components/IRecurringEventsProps';
-import styles = require('./components/RecurringEvents.module.scss');
+import styles from './components/RecurringEvents.module.scss';
 
 export interface IRecurringEventsWebPartProps {
   title: string;

src/webparts/recurringEvents/components/RecurringEvents.tsx

@@ -1,6 +1,6 @@
 import * as React from 'react';
 import { IRecurringEvent } from '../RecurringEventsTypes';
-import styles = require('./RecurringEvents.module.scss');
+import styles from './RecurringEvents.module.scss';
 import { IRecurringEventsProps } from './IRecurringEventsProps';
 
 export default class RecurringEvents extends React.Component<IRecurringEventsProps, {}> {