18.04 / python 3 / Debug already tested by doc-coverage

rainboard/models.py

@@ -811,7 +811,6 @@ class Robotpkg(NamedModel):
                     ('16.04', True, False),  # 16.04 / python 3 / Release
                     ('20.04', True, False),  # 20.04 / python 3 / Release
                     ('18.04', False, False),  # 18.04 / python 2 / Release and 18.04 / no python / Release
-                    ('18.04', True, True),  # 18.04 / python 3 / Debug
             ):
                 print(target, py3, debug)
                 valid.append(image)