CLOUDSTACK-3616 [VMware] Failed to create template from volume (volume is created from snapshot of data volume)

Signed-off-by: Sateesh Chodapuneedi <sateesh@apache.org>
Test assumes storagetype to be local therefore test_egress_fw_rules fail.

Removed storagetype definition.

Signed-off-by: Prasanna Santhanam <tsp@apache.org>