No FilterEventsHighFrequency, GhostCorrection, QID & Unwrap re #7072

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Modify GeneratePythonScriptTest.h to not use file re #7072

and in so doing eliminate use of the removed unwrap algorithm.

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Merge branch 'feature/7072_remove_deprecated_algorithms' into develop