Revert "CLOUDIFY-1664 fix compilation"

This reverts commit e1b64ab5a5806cd0cf1a1edd0adbef4b9612c543.
Revert "CLOUDIFY-1664 remove un needed location parameter from deleteVolume method in storage provisioning interface"

This reverts commit c8adc9281e07b009f365dc7d3fa029792f3a92c3.