STATEMIND-171: Redundant expressions/variables

[asardon]

Description

Recommendation
It is recommended remove these redundant expressions or variables.

Status

There are several redundant expressions or variables in your codebase. They include:

AddressRegistry.sol#L30 - address public quotePolicyManager;
LenderVaultImpl.sol#L417-L419 - function totalNumSigners() external view returns (uint256)