Remove unneeded sys import
Remove unneeded sys import

An earlier version of the commit used it, but its use was removed in the
final commit. Whups.

Signed-off-by: Andy Grover <b7d524d2f5cc5aebadb6b92b08d3ab26911cde33@redhat.com>

cvubrugier/configshell-fb,agrover/configshell-fb