refactor: withdraw only handlede by sender

contracts/RightsManager.sol

@@ -328,14 +328,14 @@ contract RightsManager is
 
     /// @inheritdoc IFundsManager
     /// @notice Withdraws funds from the contract to a specified recipient's address.
-    /// @param recipient The address that will receive the withdrawn funds.
     /// @param amount The amount of funds to withdraw.
     /// @param currency The address of the ERC20 token to withdraw, or address(0) to withdraw native coins.
     function withdraw(
-        address recipient,
         uint256 amount,
         address currency
     ) external onlyValidCurrency(currency) {
+        // TODO only sender can withdraw o recipient = _msdSender()
+        address recipient = _msdSender();
         uint256 available = getLedgerEntry(recipient, currency);
         if (available < amount) revert NoFundsToWithdraw(recipient);
         recipient.transfer(amount, currency);

contracts/interfaces/IFundsManager.sol

@@ -8,9 +8,8 @@ pragma solidity ^0.8.24;
 ///      or an authorized entity can initiate a withdrawal.
 interface IFundsManager {
     /// @notice Withdraws funds from the contract to a specified recipient's address.
-    /// @param recipient The address that will receive the withdrawn funds.
     /// @param amount The amount of funds to withdraw.
     /// @param currency The currency to associate fees with. Use address(0) for the native coin.
-    function withdraw(address recipient, uint256 amount, address currency) external;
+    function withdraw(uint256 amount, address currency) external;
     // function getBalance
 }

test/Distributor.ts

@@ -126,25 +126,5 @@ describe('Distributor', function () {
     })
   })
 
-  describe('Financial', function () {
-
-    it("Should calculate expected negotiation based on constant fee .", async function () {
-
-    })
-
-    it("Should calculate expected negotiation based on variant fee.", async function () {
-
-    })
-
-    it("Should calculate expected negotiation based on variant fee + flatten factor.", async function () {
-
-    })
-
-    it("Should calculate expected negotiation auto adjusted flatten factor.", async function () {
-
-    })
-
-  })
-
 
 })