Remove Tutorial/Analysis package

The Tutorial/Analysis package was used when pre-starterkit tutorials were run (in the 200X years). It actually harms as it provides half-baked code that is picked by doxygen.

Clean-up campaign see https://gitlab.cern.ch/lhcb-dpa/project/-/issues/39.

added all-slots cleanup legacy labels

• [2020-07-03 00:09] Validation started with lhcb-stripping21-firstpass-patches#356
• [2020-07-03 09:55] Validation started with lhcb-stripping21-firstpass-patches#357

added 1 commit

• a215b018 - Remove Tutorial/Analysis from requirements

Compare with previous version

merged

mentioned in commit f05d3b51

removed all-slots label