tree ebb96d0686a17c9382c529a22c0029a8f7c25416
parent 017f5a1ac3efa5e7cb178a186d4bdcf23e3ace16
author lkuchlan <lkuchlan@redhat.com> 1483855883 +0200
committer lkuchlan <lkuchlan@redhat.com> 1483962946 +0200

Define 'delete_volume' method as a static method

There is not need to define 'delete_volume' method as a class method

Change-Id: Ibb9c0013aa05cbae8d571eecc505e0d3f906f879