In the previous commit we've stopped using those functions from modern
pySim-shell code. Hence, the only remaining user is the legacy tools,
so we can move the code to the legacy module.
Change-Id: I6f18ccb36fc33bc204c01f9ece135676510e67ec
There are some functions / classes which are only needed by the legacy
tools pySim-{read,prog}, bypassing our modern per-file transcoder
classes. Let's move this code to the pySim/legacy sub-directory,
rendering pySim.legacy.* module names.
The long-term goal is to get rid of those and have all code use the
modern pySim/filesystem classes for reading/decoding/encoding/writing
any kind of data on cards.
Change-Id: Ia8cf831929730c48f90679a83d69049475cc5077
