Removed dead code in redirects.test

refs https://github.com/TryGhost/Toolbox/issues/139

- This code was either not executed and did nothing useful for the test suite. Shaves off extra 2s from the test runtime

test/regression/site/redirects.test.js

@@ -28,27 +28,10 @@ describe('Frontend Routing:Redirects', function () {
         };
     }
 
-    function addPosts(done) {
-        testUtils.clearData().then(function () {
-            return testUtils.initData();
-        }).then(function () {
-            return testUtils.fixtures.insertPostsAndTags();
-        }).then(function () {
-            done();
-        });
-    }
-
     afterEach(function () {
         sinon.restore();
     });
 
-    before(function () {
-        return testUtils.startGhost()
-            .then(function () {
-                request = supertest.agent(config.get('url'));
-            });
-    });
-
     // TODO: convert to unit tests
     const redirectsFileExts = ['.json', '.yaml'];