Cleanup and simplify legacy charting code

frontend/src/card/card.charting.js

frontend/src/card/card.services.js

frontend/src/components/ExplicitSize.jsx

frontend/src/components/dashboard/dashboard.css

frontend/src/css/query_builder.css

frontend/src/dashboard/components/cards/ChartCard.jsx

frontend/src/query_builder/QueryVisualization.jsx

frontend/src/query_builder/QueryVisualizationChart.jsx