LimitOrderHook: L-04 correct the principal rounding comment

`_principalOwed` claimed a payout is independent of the order in which the owners withdraw. A payout
truncates and its remainder rolls forward to the owners still in the order, so the last owner out
carries it.

Author: gonzaotc

src/general/LimitOrderHook.sol

@@ -728,9 +728,8 @@ abstract contract LimitOrderHook is BaseHook, IUnlockCallback {
 
     /**
      * @dev Returns `liquidity`'s share of the principal credited to `orderInfo`, which is what a withdrawal
-     * of that liquidity pays out. The principal is credited once by the fill and never grows, so splitting it
-     * pro-rata while the total liquidity decreases alongside it is exact and independent of the order in
-     * which the owners withdraw.
+     * of that liquidity pays out. Each payout truncates and its remainder rolls forward to the owners still
+     * in the order, so the principal is paid out exactly and the last owner out carries every remainder.
      */
     function _principalOwed(OrderInfo storage orderInfo, uint128 liquidity)
         private