remove obsolete ci-status unit tests

The cukes cover the same funtionality

features/ci_status.feature

 Feature: hub ci-status
 
   Background:
-    Given I am in "pencilbox" git repo
-    Given the "origin" remote has url "git://github.com/michiels/pencilbox.git"
+    Given I am in "git://github.com/michiels/pencilbox.git" git repo
     And I am "michiels" on github.com with OAuth token "OTOKEN"
 
   Scenario: Fetch commit SHA

test/hub_test.rb

@@ -257,32 +257,6 @@ class HubTest < Test::Unit::TestCase
                     "push origin,staging master new-feature"
   end
 
-  def test_ci_status_use_last_sha
-    stub_command_output "rev-parse -q HEAD", "head_sha"
-    stub_command_output "rev-parse -q head_sha", "head_sha"
-    stub_request(:get, "https://api.github.com/repos/defunkt/hub/statuses/head_sha").to_return(:body => Hub::JSON.generate([ { :state => "success" } ]))
-
-    expected = "success\n"
-    assert_output expected, "ci-status"
-  end
-
-  def test_ci_status_with_sha
-    stub_command_output "rev-parse -q sha", "sha"
-    stub_request(:get, "https://api.github.com/repos/defunkt/hub/statuses/sha").to_return(:body => Hub::JSON.generate([ { :state => "failure" } ]))
-
-    expected = "failure\n"
-    assert_output expected, "ci-status sha"
-  end
-
-  def test_ci_status_without_github_project
-    stub_repo_url('gh:singingwolfboy/sekrit.git')
-    stub_branch('refs/heads/feature')
-    stub_tracking('feature', 'origin', 'feature')
-
-    expected = "Aborted: the origin remote doesn't point to a GitHub repository.\n"
-    assert_output expected, "ci-status"
-  end
-
   def test_pullrequest_from_branch_tracking_local
     stub_branch('refs/heads/feature')
     stub_tracking('feature', 'refs/heads/master')