Remove OSD, some scripts, oaisim references
The README says:
It is just generating the XML file and it is placing it in
$(OPENAIR_TARGETS)/SIMU/EXAMPLE/OSD/WEBXML/ or http://localhost/xmlfile/
so that the oaisim could pars and run the simulation/emulation
oaisim does not exist anymore, and corresponding simulation cannot be done.
Also, it requires XAMPP and similar technologies, that I think nobody uses
in the context of OAI.
Remove also most references to oaisim.
Remove some scripts that are likely not used by anybody, or straight useless.