Remove debug tracing.

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Cleanup of TimerBoxControl

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Remove duplicate header files.

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Remove duplicate break names.

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Remove GTK code in Qt5 frontend.

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>