[8.0] Remove dead code path in ReplicateAndRegister

[chaen]

@chrisburr @andresailer I need a good review of that one :-) (not the RMS, that's just dead code)
Oyr FTS agents had half a billion of proxy files left... not with this anymore I hope :)

BEGINRELEASENOTES

*Core
CHANGE: register the DictCache destructor as an atexit handler

ENDRELEASENOTES

[chrisburr]

Isn't the issue here that the FTSAgent isn't passing a deleteFunction so there is nothing to delete the files?

[chaen]

Isn't the issue here that the FTSAgent isn't passing a deleteFunction so there is nothing to delete the files?

I don't think it is, as the ProxyManagerClient which the FTS3Agent uses has the proper delete function

DIRAC/src/DIRAC/FrameworkSystem/Client/ProxyManagerClient.py

Line 33 in 877f334

self.__filesCache = DictCache(self.__deleteTemporalFile)

[chrisburr]

Delightful! A global singleton and a reference cycle between DictCache and ProxyManagerClient. It's impossible for this object to ever get garbage collected.

I think the right way to fix this is: #7666

[chrisburr]

I guess this should be rebased and renamed to just include the dead code removal.