Remove demo app

Model/Accounts/AccountValidator.swift

@@ -55,9 +55,6 @@ final class AccountValidator: Service {
 
         case .piped:
             return resource("/streams/dQw4w9WgXcQ")
-
-        case .demoApp:
-            return resource("/")
         }
     }
 

Model/Accounts/AccountsModel.swift

@@ -7,7 +7,6 @@ final class AccountsModel: ObservableObject {
 
     @Published private var invidious = InvidiousAPI()
     @Published private var piped = PipedAPI()
-    @Published private var demo = DemoAppAPI()
 
     @Published var publicAccount: Account?
 
@@ -39,8 +38,6 @@ final class AccountsModel: ObservableObject {
             return piped
         case .invidious:
             return invidious
-        case .demoApp:
-            return demo
         }
     }
 
@@ -53,7 +50,7 @@ final class AccountsModel: ObservableObject {
     }
 
     var isDemo: Bool {
-        current?.app == .demoApp
+        false
     }
 
     init() {
@@ -91,8 +88,6 @@ final class AccountsModel: ObservableObject {
             invidious.setAccount(account)
         case .piped:
             piped.setAccount(account)
-        case .demoApp:
-            break
         }
 
         Defaults[.lastAccountIsPublic] = account.isPublic

Model/Accounts/Instance.swift

@@ -26,8 +26,6 @@ struct Instance: Defaults.Serializable, Hashable, Identifiable {
             return InvidiousAPI(account: anonymousAccount)
         case .piped:
             return PipedAPI(account: anonymousAccount)
-        case .demoApp:
-            return DemoAppAPI()
         }
     }
 
@@ -36,9 +34,7 @@ struct Instance: Defaults.Serializable, Hashable, Identifiable {
     }
 
     var longDescription: String {
-        guard app != .demoApp else { return "Demo" }
-
-        return name.isEmpty ? "\(app.name) - \(apiURL)" : "\(app.name) - \(name) (\(apiURL))"
+        name.isEmpty ? "\(app.name) - \(apiURL)" : "\(app.name) - \(name) (\(apiURL))"
     }
 
     var shortDescription: String {