Use correct re2o API vars (don't add them twice in vault, reuse them)

group_vars/all/vars.yml

@@ -71,8 +71,8 @@ re2o_secret_key: "{{ vault_re2o_secret_key }}"
 re2o_db_password: "{{ vault_re2o_db_password }}"
 re2o_aes_key: "{{ vault_re2o_aes_key }}"
 re2o_hostname: "re2o.auro.re"
-re2o_api_username: "{{ vault_re2o_api_username }}"
-re2o_api_password: "{{ vault_re2o_api_password }}"
+re2o_api_username: "service-user"
+re2o_api_password: "{{ vault_re2o_serviceuser_passwd }}"
 
 # Radius
 radius_secret_aurore: "{{ vault_radius_secrets.aurore }}"