OP-2019 - removed setting env vars in class

Necessary env vars should be configured in testing zip file

tests/integration/hosts/photoshop/test_publish_in_photoshop.py

@@ -56,8 +56,7 @@ class TestPublishInPhotoshop(PublishTest):
     @pytest.fixture(scope="module")
     def startup_scripts(self, monkeypatch_session, download_test_data):
         """Points Maya to userSetup file from input data"""
-        os.environ["IS_HEADLESS"] = "true"
-        os.environ["IS_TEST"] = "true"
+        pass
 
     def test_db_asserts(self, dbcon, publish_finished):
         """Host and input data dependent expected results in DB."""