chore: remove clearly unused variables to reduce linting hints

[SimonNRisk]

Purpose

Remove declared but unused variables that are clearly meant to be removed. Some of these types of linting errors are still present, but these are more involved that may be intentionally left in the codebase

Proof

Before	After

[mohanadft]

@SimonNRisk There is a conflict

[SimonNRisk]

@mohanadft resolved the conflict :)