remove unused parameters

Author: minaminao

src/Ethernaut/CoinFlip/CoinFlipFactory.sol

@@ -6,8 +6,7 @@ import "../Ethernaut/Level.sol";
 import "./CoinFlip.sol";
 
 contract CoinFlipFactory is Level {
-    function createInstance(address _player) public payable override returns (address) {
-        _player;
+    function createInstance(address /* _player */) public payable override returns (address) {
         return address(new CoinFlip());
     }
 

src/Ethernaut/Delegation/DelegationFactory.sol

@@ -13,8 +13,7 @@ contract DelegationFactory is Level {
         delegateAddress = address(newDelegate);
     }
 
-    function createInstance(address _player) public payable override returns (address) {
-        _player;
+    function createInstance(address /* _player */) public payable override returns (address) {
         Delegation parity = new Delegation(delegateAddress);
         return address(parity);
     }

src/Ethernaut/Denial/DenialFactory.sol

@@ -8,17 +8,15 @@ import "./Denial.sol";
 contract DenialFactory is Level {
     uint256 public initialDeposit = 0.001 ether;
 
-    function createInstance(address _player) public payable override returns (address) {
-        _player;
+    function createInstance(address /* _player */) public payable override returns (address) {
         require(msg.value >= initialDeposit);
         Denial instance = new Denial();
         (bool result,) = address(instance).call{value: msg.value}("");
         require(result);
         return address(instance);
     }
 
-    function validateInstance(address payable _instance, address _player) public override returns (bool) {
-        _player;
+    function validateInstance(address payable _instance, address /* _player */) public override returns (bool) {
         Denial instance = Denial(_instance);
         if (address(instance).balance <= 100 wei) {
             // cheating otherwise

src/Ethernaut/Elevator/ElevatorFactory.sol

@@ -6,8 +6,7 @@ import "../Ethernaut/Level.sol";
 import "./Elevator.sol";
 
 contract ElevatorFactory is Level {
-    function createInstance(address _player) public payable override returns (address) {
-        _player;
+    function createInstance(address /* _player */) public payable override returns (address) {
         Elevator instance = new Elevator();
         return address(instance);
     }

src/Ethernaut/Fallback/FallbackFactory.sol

@@ -5,8 +5,7 @@ import "./Fallback.sol";
 import "../Ethernaut/Level.sol";
 
 contract FallbackFactory is Level {
-    function createInstance(address _player) public payable override returns (address) {
-        _player;
+    function createInstance(address /* _player */) public payable override returns (address) {
         Fallback instance = new Fallback();
         return address(instance);
     }

src/Ethernaut/Fallout/FalloutFactory.sol

@@ -6,8 +6,7 @@ import "../Ethernaut/Level.sol";
 import "./Fallout.sol";
 
 contract FalloutFactory is Level {
-    function createInstance(address _player) public payable override returns (address) {
-        _player;
+    function createInstance(address /* _player */) public payable override returns (address) {
         Fallout instance = new Fallout();
         return address(instance);
     }

src/Ethernaut/Force/ForceFactory.sol

@@ -6,13 +6,11 @@ import "../Ethernaut/Level.sol";
 import "./Force.sol";
 
 contract ForceFactory is Level {
-    function createInstance(address _player) public payable override returns (address) {
-        _player;
+    function createInstance(address /* _player */) public payable override returns (address) {
         return address(new Force());
     }
 
-    function validateInstance(address payable _instance, address _player) public view override returns (bool) {
-        _player;
+    function validateInstance(address payable _instance, address /* _player */) public view override returns (bool) {
         Force instance = Force(_instance);
         return address(instance).balance > 0;
     }

src/Ethernaut/GatekeeperOne/GatekeeperOneFactory.sol

@@ -6,8 +6,7 @@ import "../Ethernaut/Level.sol";
 import "./GatekeeperOne.sol";
 
 contract GatekeeperOneFactory is Level {
-    function createInstance(address _player) public payable override returns (address) {
-        _player;
+    function createInstance(address /* _player */) public payable override returns (address) {
         GatekeeperOne instance = new GatekeeperOne();
         return address(instance);
     }

src/Ethernaut/GatekeeperThree/GatekeeperThreeFactory.sol

@@ -5,8 +5,7 @@ import "../Ethernaut/Level.sol";
 import "./GatekeeperThree.sol";
 
 contract GatekeeperThreeFactory is Level {
-    function createInstance(address _player) public payable override returns (address) {
-        _player;
+    function createInstance(address /* _player */) public payable override returns (address) {
         GatekeeperThree instance = new GatekeeperThree();
         return payable(instance);
     }

src/Ethernaut/GatekeeperTwo/GatekeeperTwoFactory.sol

@@ -6,8 +6,7 @@ import "../Ethernaut/Level.sol";
 import "./GatekeeperTwo.sol";
 
 contract GatekeeperTwoFactory is Level {
-    function createInstance(address _player) public payable override returns (address) {
-        _player;
+    function createInstance(address /* _player */) public payable override returns (address) {
         GatekeeperTwo instance = new GatekeeperTwo();
         return address(instance);
     }