tests/functional: remove redundant 'rmtree' call

Everything in the scratch directory is automatically purged. Calling
'rmtree' again breaks the ability to optionally preserve the scratch
directory contents.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20241217155953.3950506-16-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
1 file changed