Tests: REmoved check for absence of a segfault

- Testing for the absence of a segfault is not a good test.

test/project.t

@@ -251,22 +251,6 @@ class TestBug299(TestCase):
         self.assertRegexpMatches(out, "three.*baz")
 
 
-class TestBug555(TestCase):
-    def setUp(self):
-        self.t = Task()
-
-    def test_log_with_project_segfault(self):
-        """555: log with a project causes a segfault
-
-        Reported in bug 555
-        """
-        code, out, err = self.t("log description project:p")
-
-        self.assertNotIn("Segmentation fault", out)
-        self.assertNotIn("Segmentation fault", err)
-        self.assertIn("Logged task", out)
-
-
 class TestBug605(TestCase):
     def setUp(self):
         self.t = Task()