Merge pull request #2920 from AlphaWallet/fix-swiftlint-warnings

Fix: SwiftLint warnings

AlphaWallet/Settings/Coordinators/HelpUsCoordinator.swift

@@ -47,7 +47,7 @@ class HelpUsCoordinator: Coordinator {
         }
 
         //Intentionally hold strong reference to self for UIAlertAction to work. Making `self` weak requires current coordinator to be retained; too easy to forgot
-        let subscribeAction = UIAlertAction(title: R.string.localizable.emailListPromptSubscribeButtonTitle(), style: .default, handler: { action in
+        let subscribeAction = UIAlertAction(title: R.string.localizable.emailListPromptSubscribeButtonTitle(), style: .default, handler: { _ in
             guard let email = controller.textFields?.first?.text else { return }
             EmailList(listSpecificKey: Constants.Credentials.mailChimpListSpecificKey).subscribe(email: email)
         })

AlphaWallet/Settings/ViewControllers/EnabledServersViewController.swift

@@ -92,7 +92,6 @@ class EnabledServersViewController: UIViewController {
             switch result {
             case .success:
                 strongSelf.markForDeletion(server: server)
-                break
             case .failure:
                 break
             }

AlphaWallet/Tokens/Views/TextField.swift

@@ -151,12 +151,12 @@ class TextField: UIControl {
     }
 
     var placeholder: String? {
-        set {
-            textField.placeholder = newValue
-        }
         get {
             textField.placeholder
         }
+        set {
+            textField.placeholder = newValue
+        }
     }
 
     init() {