Revert "Add derivation code"

Derviation/DerivationAlgs/CMakeLists.txt

Derviation/DerivationAlgs/python/DerivationAlgsConfig.py

Derviation/DerivationAlgs/share/runDerive.py

Derviation/DerivationAlgs/share/run_streaming.py

Derviation/DerivationAlgs/src/Derive.cxx

Derviation/DerivationAlgs/src/Derive.h

.../DerivationAlgs/src/components/DerivationAlgs_entries.cxx

Derviation/DerivationTools/CMakeLists.txt

Derviation/DerivationTools/DerivationTools/IDerivationTool.h

Derviation/DerivationTools/src/ExampleDerivationTool.cxx

Derviation/DerivationTools/src/ExampleDerivationTool.h

Derviation/DerivationTools/src/TriggerStreamTool.cxx

Derviation/DerivationTools/src/TriggerStreamTool.h

...erivationTools/src/components/DerivationTools_entries.cxx

Generators/DIFGenerator/python/DIFSampler.py

Generators/ForeseeGenerator/python/ForeseeSampler.py

Generators/ForeseeGenerator/python/Validate.py

Generators/ForeseeGenerator/share/generate_forsee_events.py

Generators/ForeseeGenerator/share/plot_validation.py

Generators/ParticleGun/python/__init__.py