refactor: Flatten role configs

[adwk67]

Description

Part of https://github.com/stackabletech/internal-issues/issues/167.

--- PASS: kuttl (1561.19s)
    --- PASS: kuttl/harness (0.00s)
        --- PASS: kuttl/harness/orphaned-resources_trino-latest-481_openshift-false (71.10s)
        --- PASS: kuttl/harness/cluster-operation_trino-latest-481_openshift-false (141.73s)
        --- PASS: kuttl/harness/tls_trino-latest-481_use-authentication-true_use-tls-true_use-internal-tls-true_openshift-false (72.35s)
        --- PASS: kuttl/harness/logging_trino-481_openshift-false (132.24s)
        --- PASS: kuttl/harness/delta_trino-delta-477_hive-latest-4.2.0_s3-use-tls-true_openshift-false (181.41s)
        --- PASS: kuttl/harness/smoke_trino-481_hive-4.2.0_opa-latest-1.16.2_hdfs-3.5.0_zookeeper-3.9.5_openshift-false (471.09s)
        --- PASS: kuttl/harness/delta_trino-delta-477_hive-latest-4.2.0_s3-use-tls-false_openshift-false (129.07s)
        --- PASS: kuttl/harness/client-spooling_trino-latest-481_openshift-false (143.77s)
        --- PASS: kuttl/harness/listener_trino-481_openshift-false (76.29s)
        --- PASS: kuttl/harness/opa-authorization_trino-481_hive-latest-4.2.0_opa-latest-1.16.2_keycloak-25.0.0_openshift-false (357.59s)
        --- PASS: kuttl/harness/tls_trino-latest-481_use-authentication-true_use-tls-false_use-internal-tls-false_openshift-false (79.90s)
        --- PASS: kuttl/harness/fault-tolerant-execution_trino-481_openshift-false (161.75s)
        --- PASS: kuttl/harness/tls_trino-latest-481_use-authentication-true_use-tls-true_use-internal-tls-false_openshift-false (68.82s)
        --- PASS: kuttl/harness/tls_trino-latest-481_use-authentication-true_use-tls-false_use-internal-tls-true_openshift-false (63.37s)
        --- PASS: kuttl/harness/tls_trino-latest-481_use-authentication-false_use-tls-true_use-internal-tls-false_openshift-false (64.35s)
        --- PASS: kuttl/harness/tls_trino-latest-481_use-authentication-false_use-tls-true_use-internal-tls-true_openshift-false (66.34s)
        --- PASS: kuttl/harness/tls_trino-latest-481_use-authentication-false_use-tls-false_use-internal-tls-true_openshift-false (68.67s)
        --- PASS: kuttl/harness/authentication_trino-latest-481_ldap-use-tls-false_openshift-false (290.34s)
        --- PASS: kuttl/harness/authentication_trino-latest-481_ldap-use-tls-true_openshift-false (321.81s)
        --- PASS: kuttl/harness/resources_trino-latest-481_openshift-false (56.66s)
        --- PASS: kuttl/harness/tls_trino-latest-481_use-authentication-false_use-tls-false_use-internal-tls-false_openshift-false (57.86s)
PASS

Definition of Done Checklist

• Not all of these items are applicable to all PRs, the author should update this template to only leave the boxes in that are relevant
• Please make sure all these things are done and tick the boxes

Author

• Changes are OpenShift compatible
• CRD changes approved
• CRD documentation for all fields, following the style guide.
• Helm chart can be installed and deployed operator works
• Integration tests passed (for non trivial changes)
• Changes need to be "offline" compatible
• Links to generated (nightly) docs added
• Release note snippet added

Reviewer

• Code contains useful comments
• (Integration-)Test cases added
• Changelog updated
• Cargo.toml only contains references to git tags (not specific commits or branches)

Acceptance

• Feature Tracker has been updated
• Proper release label has been added
• Links to generated (nightly) docs added
• Release note snippet added
• Add type/deprecation label & add to the deprecation schedule
• Add type/experimental label & add to the experimental features tracker

[siegfriedweber]

LGTM