Remove unused code and strings

QuickDrop/View/TutorialView.swift

@@ -13,12 +13,9 @@ struct TutorialView: View {
     let title: String
     let text: String
     let showsLicense: Bool
-    var showsBetaJoinButton: Bool = false
-    
     let openPlus: () -> Void
     
     @State private var licenseWindow: NSWindow?
-    @State var taps = 0
     @AppStorage(UserDefaultsKeys.plusVersion.rawValue) var isPlusVersion = false
     
     var body: some View {
@@ -31,22 +28,6 @@ struct TutorialView: View {
                     .padding()
                     .frame(width: 550)
                 
-                
-                if showsBetaJoinButton {
-                    Button {
-                        
-                        let betaTextBottom = "BetaEmailBottom".localized()
-                        
-                        if let url = URL(string: "mailto:quickdrop-beta@leonboettger.com?subject=QuickDrop for Android Beta&body=\(betaTextBottom)") {
-                            NSWorkspace.shared.open(url)
-                        }
-                    } label: {
-                        Text("JoinBeta")
-                    }
-                    .keyboardShortcut(.defaultAction)
-                    .padding(.top)
-                }
-                
                 if showsLicense {
                     HStack(spacing: 30) {