ci(pre-commit-ansible): limit ansible-lint to ansible/

[masahiro-kubota]

Description

pre-commit-ansible was checking YAML files outside the ansible/ directory.

This happened because the ansible-lint hook was not explicitly scoped to ansible/.

This PR limits the ansible-lint target to ansible/ in .pre-commit-config-ansible.yaml.

#6886 intentionally breaks the indentation in docker/docker-compose.yaml to show that pre-commit-ansible incorrectly checks YAML files outside ansible/, so I deleted them.

Since ansible-lint is now explicitly scoped to ansible/, the previous exclude_paths entries for directories outside ansible/ are no longer necessary.

How was this PR tested?

pre-commit-ansible ignores non-Ansible YAML file (docker/docker-compose.yaml) after this change

• test: precommit ansible ignores non ansible yaml #6884
• Confirmed that intentionally broken YAML outside ansible/ does not fail pre-commit-ansible.

pre-commit-ansible still detects invalid YAML under ansible/

• test: precommit ansible detects ansible yaml #6885
• Confirmed that intentionally broken YAML under ansible/ still fails pre-commit-ansible.

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