ui: redundant call to vminit when initializing vms template

When setting vminit to desktop vm (one that have a template), we call
again vminit.init() method - after it has been initialize with the right
values.

Removing that not influence current code work-flow (ie vm, template and
pool)

Change-Id: Idc2e40f72b85cd3641c6e5c705438cd217308f91
Bug-Url: https://bugzilla.redhat.com/1126195
Signed-off-by: Shahar Havivi <shaharh@redhat.com>