Remove unneeded promise step

lib/runner.js

@@ -52,12 +52,6 @@ var Runner = function(params) {
         delete data.toolsResults.phantomas.metrics.scrollExecutionTree;
         delete data.toolsResults.phantomas.offenders.scrollExecutionTree;
 
-        return data;
-
-    })
-
-    .then(function(data) {
-
         // Finished!
         deferred.resolve(data);