Fix diff bug crashing /diff UI

Author: vbanos

src/components/diff-container.jsx

@@ -45,7 +45,6 @@ export default class DiffContainer extends React.Component {
   };
 
   errorHandled = (errorCode) => {
-    console.log('Error handled:', errorCode);
     this.setState({ error: errorCode });
   };
 

src/components/diff-view.jsx

@@ -208,15 +208,11 @@ export default class DiffView extends React.Component {
     url.searchParams.append('b', b);
     fetchWithTimeout(url, { credentials: 'include' })
       .then(checkResponse)
-      .then((response) => {
-        if (response.status == 200) {
-          const data = response.json();
-          this.setState({
-            diffData: data
-          });
-        } else {
-          this._errorHandled(error.status);
-        }
+      .then(response => response.json())
+      .then((data) => {
+        this.setState({
+          diffData: data
+        });
       })
       .catch(error => { this._errorHandled(error.message); });
   }