geoipupdate: hardcode EditionIDs to country + city

Simplify the role by removing the configurability of "EditionIDs", and
hardcoding its value to "GeoLite2-Country GeoLite2-City". While it was
originally intended for consumers to select which database(s) to fetch,
it's not straightforward how to support multiple inclusions of the role.

roles/geo_dns/meta/main.yml

@@ -4,5 +4,3 @@ galaxy_info:
 
 dependencies:
   - role: geoipupdate
-    vars:
-      geoipupdate_edition_ids: GeoLite2-City

roles/geoipupdate/defaults/main.yml

-geoipupdate_edition_ids: GeoLite2-Country # GeoLite2-City GeoLite2-ASN

roles/geoipupdate/templates/GeoIP.conf.j2

 AccountID {{ vault_mirror_maxmind_id }}
 LicenseKey {{ vault_mirror_maxmind_license }}
 
-EditionIDs {{ geoipupdate_edition_ids }}
+EditionIDs GeoLite2-Country GeoLite2-City