jsroot: remove older code

http/LICENSE

http/changes.md

http/files/canvas.htm

http/files/canvas6.htm

http/files/draw.htm

http/files/online.htm

http/files/panel.htm

http/files/web.config

http/img/RootIcon.ico

http/index.htm

http/openui5/ColorButton.js

http/openui5/Component.js

http/openui5/GuiPanelController.js

http/openui5/SVGSample.js

http/openui5/controller/Canvas.controller.js

http/openui5/controller/CanvasPanel.controller.js

http/openui5/controller/FitPanel.controller.js

http/openui5/controller/Ged.controller.js

http/openui5/controller/Inspector.controller.js

http/openui5/controller/Panel.controller.js