Remove leftover regen=1 in unit tests #1659

Signed-off-by: tdruez <tdruez@nexb.com>

Author: tdruez

scanpipe/tests/test_pipelines.py

@@ -1579,7 +1579,7 @@ def test_scanpipe_deploy_to_develop_pipeline_with_about_file(
 
         result_file = output.to_json(project1)
         expected_file = data_dir / "expected.json"
-        self.assertPipelineResultEqual(expected_file, result_file, regen=1)
+        self.assertPipelineResultEqual(expected_file, result_file)
 
         self.assertEqual(1, project1.projectmessages.count())
         message = project1.projectmessages.get()