Remove mypy defaults and set django-stubs setting
ignore_errors = False
strict_optional = True
Are both set to these values by default. No need to set them in the
config.
```toml
[mypy.plugins.django-stubs]
django_settings_module = config.settings.local
```
mypy.plugins.django-stubs requires django_settings_module to be set.
@@ -9,13 +9,14 @@ exclude = .tox,.git,*/migrations/*,*/static/CACHE/*,docs,node_modules
[mypy]
python_version = 3.7
check_untyped_defs = True
-ignore_errors = False
ignore_missing_imports = True
-strict_optional = True
warn_unused_ignores = True
warn_redundant_casts = True
warn_unused_configs = True
+[mypy.plugins.django-stubs]
+django_settings_module = config.settings.test
+
[mypy-*.migrations.*]
# Django migrations should not produce any errors:
ignore_errors = True
