Remove irrelevant test_merging_queues

Since queues are manually created now, this test is no longer relevant.
The manual queue path is well tested.

Change-Id: I9957f3505d10ba72e145d836200af178bf5101cb
Story: 2000773
Task: 3554
diff --git a/tests/unit/test_scheduler.py b/tests/unit/test_scheduler.py
index e32e41b..260b97d 100755
--- a/tests/unit/test_scheduler.py
+++ b/tests/unit/test_scheduler.py
@@ -2180,14 +2180,6 @@
         self.assertEqual('https://server/job/project-test2/0/',
                          status_jobs[2]['report_url'])
 
-    @skip("Disabled for early v3 development")
-    def test_merging_queues(self):
-        "Test that transitively-connected change queues are merged"
-        self.updateConfigLayout(
-            'tests/fixtures/layout-merge-queues.yaml')
-        self.sched.reconfigure(self.config)
-        self.assertEqual(len(self.sched.layout.pipelines['gate'].queues), 1)
-
     def test_mutex(self):
         "Test job mutexes"
         self.updateConfigLayout('layout-mutex')