Remove Context calling React.Component constructor

The React.Component takes one param in a call to super in the
constructor.

lib/generators/react_on_rails/templates/no_redux/base/client/app/bundles/HelloWorld/containers/HelloWorldContainer.jsx

@@ -7,8 +7,8 @@ export default class HelloWorldContainer extends React.Component {
     name: PropTypes.string.isRequired, // this is passed from the Rails view
   };
 
-  constructor(props, context) {
-    super(props, context);
+  constructor(props) {
+    super(props);
 
     // How to set initial state in ES6 class syntax
     // https://facebook.github.io/react/docs/reusable-components.html#es6-classes

spec/dummy/client/app/components/HelloWorld.jsx

@@ -17,8 +17,8 @@ class HelloWorld extends React.Component {
   };
 
   // Not necessary if we only call super, but we'll need to initialize state, etc.
-  constructor(props, context) {
-    super(props, context);
+  constructor(props) {
+    super(props);
     this.state = props.helloWorldData;
     this.setNameDomRef = this.setNameDomRef.bind(this);
     this.handleChange = this.handleChange.bind(this);

spec/dummy/client/app/components/HelloWorldRedux.jsx

@@ -11,8 +11,8 @@ export default class HelloWorldRedux extends React.Component {
   };
 
   // Not necessary if we only call super, but we'll need to initialize state, etc.
-  constructor(props, context) {
-    super(props, context);
+  constructor(props) {
+    super(props);
     this.setNameDomRef = this.setNameDomRef.bind(this);
     this.handleChange = this.handleChange.bind(this);
   }