Remove unneeded expectOK helper

Author: Fotios Lindiakos

Diff for: test/2.0/test-middleware-swagger-security.js

@@ -170,16 +170,6 @@ _.forEach([
 // Delete global security
 delete petStoreJson.security;
 
-var expectOK = function(done) {
-  return function(err, res) {
-    if(err) {
-      return done(err);
-    }
-    helpers.expectContent('OK')(err, res);
-    done();
-  };
-};
-
 // TODO: Remove this .only before merging
 describe.only('Swagger Security Middleware v2.0', function () {
   it('should call middleware when secured', function(done) {