code clean

recommender/static/js/src/cats.js

@@ -63,11 +63,6 @@ var tooltipsCatsText = {
     '.resourceRankingForRemovalButton.removeMode': '<span>Click to view resources in ordinary decreasing-vote order</span>'
 };
 
-var importResourceErrorText = {
-    403: 'Only staff can import resources',
-    415: 'Please submit the JSON file obtained with the download resources button'
-};
-
 var problematicReasonsPrefix = '<br/>Here is a list of reasons why students think this resource problematic: <br/>&nbsp;&nbsp;&nbsp;&nbsp;';
 var endorsedReasonsPrefix = '<br/>The reason why it is endorsed is: <br/>&nbsp;&nbsp;&nbsp;&nbsp;';
 var recommenderResourceAriaPrefix = 'Resource: ';