Ensure plugin setup and remove initial credentials from code

[daianmartinho]

Description

This PR:

1. ensure plugin setup respect the list
2. remove initial credentials from code

Motivation and Context

1. Credentials are not supposed to be in code.
2. Simplifies the plugin list. If the plugin is in the list, the role ensures that the plugin will be installed. If the plugin is not in the list, the role will ensure that the plugin is uninstalled. This make the code cleaner. This is the breaking change.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)