An empty file is created when building Ansible playbooks for individual rules

#### Description of problem:

When building the "one playbook per rule" playbooks, there is an empty file created in the directory structure. The file has no meaning as far as I know. It caused problems in some tests (not present in this repo).

#### SCAP Security Guide Version:

master

#### Operating System Version:

any

#### Steps to Reproduce:

1. env ADDITIONAL_CMAKE_OPTIONS="-D SSG_ANSIBLE_PLAYBOOKS_PER_RULE_ENABLED=true" ./build_product rhel9
2. cd build/rhel8/playbooks
3. ls

#### Actual Results:
You will see an empty file called ansible_playbooks-rhel8.

#### Expected Results:
The file should not be there unless it is needed.

#### Additional Information/Debugging Steps: