11.131 Monetary supplements prohibited.—All laws or parts of laws, both general or local, which provide a monetary supplement to state legislators from county funds, either as a direct salary supplement or as an expense allowance or as reimbursement for expenses, are hereby repealed. This act shall not be construed to repeal any laws or parts of laws which provide for salaries or expenses to legislative aides or assistants or for the maintenance of a legislative delegation office.