Refactor code to use endpoints rather than fixture data

[mikerae]

As developer I can import live RSNO data into the project so that the project uses upto date and relevant data

Acceptance Criteria

• Use API endpoints to access RSNO project and player data
• Refactor local database models to accommodate API data

Tasks

• Use API endpoints to access RSNO project and player data #207
• Refactor local database models to accommodate API data #208
• Remove code, files and directories related to simulated RSNO data #209