Replace 'with_items' loop statements with 'loop' keyword

As of Ansible 2.5 'loop' keyword is a recommended way
for looping statements instead of 'with_dict'.

Change-Id: I19e00cc27e13955e2056840fd4ce99841bc824ad
Issue-ID: OOM-1887
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
diff --git a/ansible/roles/nexus/tasks/insert-images.yml b/ansible/roles/nexus/tasks/insert-images.yml
index 6c28333..404889f 100644
--- a/ansible/roles/nexus/tasks/insert-images.yml
+++ b/ansible/roles/nexus/tasks/insert-images.yml
@@ -18,4 +18,4 @@
         push: true
         load_path: "{{ item.path }}"
         timeout: 120
-      changed_when: false  # for idenpotence
+      changed_when: false  # for idempotence