Refactor: Cleanup of ledger module

[OjusWiZard]

Proposed changes

• Clean the unused things in ledger module
• Should we merge the __init__ and profiles in a single ledger.py file also?

Types of changes

What types of changes does your code introduce?
Put an x in the boxes that apply

• Bugfix (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)