upstream ci: Move Azure scripts to infra directory

Move Azure scripts to infra directory, as only roles and modules test
playbooks should exist in the tests directory.

infra/azure/templates/variables.yaml

@@ -0,0 +1,23 @@
+#
+# Variables must be defined as comma separated lists.
+# For easier management of items to enable/disable,
+# use one test/module on each line, followed by a comma.
+#
+# If no variable is to be set, add 'empty: true', as the
+# 'variables' dict cannot be empty.
+#
+# Example:
+#
+# disabled_modules: >-
+#   dnsconfig,
+#   group,
+#   hostgroup
+#
+---
+variables:
+  # empty: true
+  # ipa_enabled_modules: >-
+  # ipa_enabled_tests: >-
+  ipa_disabled_modules: >-
+    config
+  # ipa_disabled_tests: >-