Reset parameter defaults for Jaffe13 model.

...ne/likelihoods/ensemble_likelihood/ensemble_likelihood.py

...c_fields/jaffe13_magnetic_field/jaffe13_magnetic_field.py

.../jaffe13_magnetic_field/jaffe13_magnetic_field_factory.py

...fields/jf12_magnetic_field/jf12_magnetic_field_factory.py

imagine/observers/hammurapy/hammurapy.py

imagine/observers/hammurapy/model_mixins/__init__.py

imagine/observers/hammurapy/model_mixins/jaffe13_mixin.py

imagine/observers/hammurapy/model_mixins/jf12_mixin.py