fix(packages/brpm): correct syntax error and typo

[aciba90]

Proposed Commit Message

fix(copr): Multiple fixes to allow COPR builds

Correct syntax error and typo in packages/brpm and remove unneeded
TODO.rst reference from packages/redhat/cloud-init.spec.in.

Additional Context

Successful build with these additional two commits: https://copr.fedorainfracloud.org/coprs/g/cloud-init/el-testing/build/6726068/

Test Steps

bash -x ./tools/run-container --source-package --unittest --artifacts=./srpm/ rockylinux/8

Checklist

• My code follows the process laid out in the documentation
• I have updated or added any unit tests accordingly
• I have updated or added any documentation accordingly

Merge type

• Squash merge using "Proposed Commit Message"
• Rebase and merge unique commits. Requires commit messages per-commit each referencing the pull request number (#<PR_NUM>)

[blackboxsw]

LGTM. I'm adding a followup to scrub these files with ruff and fix formatting issues so we don't find ourselves here in the future,