Change a list of files for leapp

* Remove repomap.csv as it was removed by leapp (f09c8add)
* Add an actual list of files
* Add retires and delay to improve resilience over networking issue

Change-Id: I710f2703b57de330cacf6d1e631180f4c0f13fba

tasks/common/undercloud_os_upgrade.yaml

@@ -72,7 +72,14 @@
     mode: '0700'
   loop:
     - 'pes-events.json'
-    - 'repomap.csv'
+    - 'device_driver_deprecation_data.json'
+    - 'repomap.json'
+    - 'unsupported_driver_names.json'
+    - 'unsupported_pci_ids.json'
+  register: get_url_result
+  until: get_url_result.status_code == 200
+  delay: 10
+  retries: 3
 
 - name: Check if rhos-release is installed
   package: