Removing __init__.py lint rule.
Removing __init__.py lint rule.

Now that we'll be merging all command_modules into the azure-cli package, we no longer need to check other packages to ensure their __init__.py structures are correct.

yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli