CLOUDSTACK-6565: [UI] New Zones tab for Templates and ISOs
Revert "CLOUDSTACK-6565: [UI] New Zones tab for Templates and ISOs"

This reverts commit c20acc6a4451dd0f3eba1beeb52e215f000b59d9.
CLOUDSTACK-6606: Fixed: create network offering dailog box has greyed out (not selectable) providers for the connectivity service.
CLOUDSTACK-6379: UI > fix a bug that domain admin failed to be created when current login doesn't have visibility to root domain object.