chore(windows): review n purge window/src/support projects

### Is your feature request related to a problem? Please describe.

The windows/src/support has been the home for useful tools supporting Keyman and Keyman Developer. Overtime some of these may have become obsolete. The goal of the issue it to review and remove what is no longer needed.

### Describe the solution you'd like

_No response_

### Describe alternatives you've considered

_No response_

### Related issues

_No response_

### Keyman apps

- [ ] Keyman for Android
- [ ] Keyman for iPhone and iPad
- [ ] Keyman for Linux
- [ ] Keyman for macOS
- [X] Keyman for Windows
- [ ] Keyman Developer
- [ ] KeymanWeb
- [ ] Other - give details at bottom of form

### Keyman version

_No response_

### Operating system

_No response_

### Device

_No response_

### Target application

_No response_

### Browser

_No response_

### Keyboard name

_No response_

### Keyboard version

_No response_

### Language name

_No response_

### Additional context

_No response_