Shed some deprecated stuff

doc/ref_transform.rst

doc/tutorial.rst

loopy/__init__.py

loopy/kernel/__init__.py

loopy/kernel/array.py

loopy/kernel/data.py

loopy/kernel/function_interface.py

loopy/kernel/instruction.py

loopy/library/reduction.py

loopy/preprocess.py

loopy/schedule/__init__.py

loopy/statistics.py

loopy/symbolic.py

loopy/tools.py

loopy/transform/buffer.py

loopy/transform/data.py

loopy/transform/iname.py

loopy/transform/pack_and_unpack_args.py

loopy/transform/precompute.py

loopy/translation_unit.py