Remove indentation for some code snippets

[jamezrin]

Purpose

• Removes indentation on some code blocks for running this application. It was not consistent with other blocks in the same file.

Does this introduce a breaking change?

• [ ] Yes
• [x] No

Pull Request Type

What kind of change does this Pull Request introduce?

• [ ] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [x] Documentation content changes
• [ ] Other... Please describe:

How to Test

• Install ansible

$ pip install ansible[azure]

• [Optional] Install ansible role

$ ansible-galaxy install Azure.azure_preview_modules
$ pip install -r ~/.ansible/roles/Azure.azure_preview_modules/files/requirements-azure.txt

• Get the sample playbook

git clone https://github.com/Azure-Samples/ansible-playbooks.git
cd ansible-playbooks
git checkout [branch-name]

• Test the code

  ansible-playbook <filename>.yml

What to Check

Verify that the playbook is successfully run.

Other Information

[Fred-sun]

@yuwzho This PR just the document format change, does this need maintainers review or not? Thanks!

[yuwzho]

@jamezrin Thanks for your contribution