Cleanup geosjon loading/error logic.

docs/developers-guide-osx.md

frontend/src/metabase/admin/datamodel/metadata.js

...metabase/admin/settings/components/SettingsCustomMaps.jsx

.../metabase/admin/settings/containers/SettingsEditorApp.jsx

frontend/src/metabase/auth/components/AuthScene.jsx

frontend/src/metabase/css/dashboard.css

frontend/src/metabase/lib/core.js

frontend/src/metabase/lib/formatting.js

frontend/src/metabase/lib/query.js

frontend/src/metabase/lib/schema_metadata.js

frontend/src/metabase/lib/time.js

frontend/src/metabase/lib/types.js

frontend/src/metabase/lib/visualization_settings.js

frontend/src/metabase/meta/metadata/Field.js

...ase/query_builder/QueryVisualizationObjectDetailTable.jsx

frontend/src/metabase/query_builder/actions.js

...nd/src/metabase/query_builder/containers/QueryBuilder.jsx

frontend/src/metabase/query_builder/selectors.js

frontend/src/metabase/reference/components/Field.jsx

...end/src/metabase/reference/components/FieldTypeDetail.jsx