removed suites section from .kitchen.dokken.yml
removed suites section from .kitchen.dokken.yml

No need in explicitly defined suites for dokken driver. They are same as
suites in main .kitchen.yml

Icinga/chef-icinga2,Icinga/chef-icinga2,vkhatri/chef-icinga2-1,Icinga/chef-icinga2,vkhatri/chef-icinga2-1,vkhatri/chef-icinga2-1