Clean up old static charts (#19653)

frontend/src/metabase/internal/pages/StaticVizPage.jsx

.../components/CategoricalAreaChart/CategoricalAreaChart.jsx

...abase/static-viz/components/CategoricalAreaChart/index.js

...iz/components/CategoricalBarChart/CategoricalBarChart.jsx

...tabase/static-viz/components/CategoricalBarChart/index.js

.../components/CategoricalLineChart/CategoricalLineChart.jsx

...abase/static-viz/components/CategoricalLineChart/index.js

...iz/components/TimeSeriesAreaChart/TimeSeriesAreaChart.jsx

...tabase/static-viz/components/TimeSeriesAreaChart/index.js

...-viz/components/TimeSeriesBarChart/TimeSeriesBarChart.jsx

...etabase/static-viz/components/TimeSeriesBarChart/index.js

...iz/components/TimeSeriesLineChart/TimeSeriesLineChart.jsx

...tabase/static-viz/components/TimeSeriesLineChart/index.js

...etabase/static-viz/containers/StaticChart/StaticChart.jsx

...tatic-viz/containers/StaticChart/StaticChart.unit.spec.js

frontend/test/metabase-visual/internal/static-viz.cy.spec.js