Removing Pyro4 from the session module
Removing Pyro4 from the session module

A fake uri is still set in the drops because some tests might check it; it will
be removed after finishing with the rest of the clean up.

Signed-off-by: Rodrigo Tobar <bd955c861cbec2e41c0959cf13c7f573fa307e58@icrar.org>

steve-ord/daliuge,steve-ord/daliuge,steve-ord/daliuge,steve-ord/daliuge,steve-ord/daliuge,steve-ord/daliuge,steve-ord/daliuge