DCD-224: Move EC2 metadata retrieval to aws_common

roles/aws_efs_config/meta/main.yml

@@ -1,3 +1,3 @@
 ---
 dependencies:
-  - aws_metadata
+  - aws_common

roles/aws_efs_config/tasks/main.yml

@@ -4,7 +4,7 @@
   file:
     state: directory
     path: "{{ atl_shared_mountpoint }}"
-    owner: "{{ product_user }}"
+    owner: "{{ atl_product_user }}"
     mode: 0755
 
 - name: Enable mountpoint in fstab