Enable the expression-not-assigned Pylint rule

[correctmost]

PR Description:

Commit 88b91ae201e0 fixed the last instance that existed in the codebase:

archinstall/lib/interactions/general_conf.py:178:4: W0106: Expression "fwrite.write(f'ParallelDownloads = {input_number}\n') if not input_number == 0 else fwrite.write('#ParallelDownloads = 0\n')" is assigned to nothing (expression-not-assigned)

Docs

• https://pylint.pycqa.org/en/latest/user_guide/messages/warning/expression-not-assigned.html

Tests and Checks

• [ ] I have tested the code!