Simplify - inline pull command
Simplify - inline pull command

As now there is only one option for pull command, it can be inlined.
Also increased the sleep time with each retry to give it a bit
more time in case of repeated failure.

Signed-off-by: Bartosz Rybacki <fef32303793950060c48ae6e929565cf13c1141e@redhat.com>

davidvossel/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt