fixed progress bar component rendering bug

react/components/ActiveStatusBar/index.jsx

@@ -1,6 +1,6 @@
 import React from 'react';
 
-function ActiveStatusBar () {
+const ActiveStatusBar = () => {
   return <span className="progress-bar progress-bar--active">| </span>;
 }
 

react/components/InactiveStatusBar/index.jsx

@@ -1,7 +1,7 @@
 import React from 'react';
 
-function InactiveStatusBar () {
+const InactiveStatusBar = () => {
   return <span className="progress-bar progress-bar--inactive">| </span>;
 }
 
-export default InactiveStatusBar();
+export default InactiveStatusBar;

react/components/ProgressBar.jsx

@@ -7,7 +7,6 @@ class ProgressBar extends React.Component {
   constructor (props) {
     super(props);
     this.state = {
-      size       : 12,
       bars       : [],
       index      : 0,
       incrementer: 1,