Removing commented out code in test/unit/account/test_backend.py
Removing commented out code in test/unit/account/test_backend.py

Noticed this while reviewing another change. Looks like the test itself already
ensures correct functionality of the reclaim() method in AccountBroker without
the commented code, thus removing this stale code.

Change-Id: I6a26a7591adef9fd794ca68a4e9c493d1127f93c

openstack/swift,bkolli/swift,aerwin3/swift,bouncestorage/swift,openstack/swift,gold3bear/swift,prashanthpai/swift,Akanoa/swift,nadeemsyed/swift,tipabu/swift,matthewoliver/swift,mjzmjz/swift,psachin/swift,swiftstack/swift,psachin/swift,daasbank/swift,openstack/swift,daasbank/swift,clayg/swift,nadeemsyed/swift,levythu/swift,rackerlabs/swift,smerritt/swift,revoer/keystone-8.0.0,hbhdytf/mac2,tipabu/swift,mjwtom/swift,notmyname/swift,hbhdytf/mac2,hbhdytf/mac2,matthewoliver/swift,hbhdytf/mac,aerwin3/swift,tipabu/swift,smerritt/swift,Akanoa/swift,matthewoliver/swift,larsbutler/swift,shibaniahegde/OpenStak_swift,rackerlabs/swift,redhat-openstack/swift,williamthegrey/swift,clayg/swift,hbhdytf/mac2,redbo/swift,takeshineshiro/swift,gold3bear/swift,williamthegrey/swift,Em-Pan/swift,thiagodasilva/swift,bkolli/swift,dencaval/swift,clayg/swift,notmyname/swift,redbo/swift,mjwtom/swift,redhat-openstack/swift,Em-Pan/swift,takeshineshiro/swift,hurricanerix/swift,matthewoliver/swift,prashanthpai/swift,bouncestorage/swift,clayg/swift,notmyname/swift,thiagodasilva/swift,tipabu/swift,larsbutler/swift,revoer/keystone-8.0.0,swiftstack/swift,bradleypj823/swift,mjzmjz/swift,smerritt/swift,nadeemsyed/swift,hurricanerix/swift,shibaniahegde/OpenStak_swift,swiftstack/swift,levythu/swift,psachin/swift,notmyname/swift,hbhdytf/mac,nadeemsyed/swift,smerritt/swift,hurricanerix/swift,openstack/swift,dencaval/swift,psachin/swift,hurricanerix/swift,bradleypj823/swift