Remove all @available(iOS 14... annotations

RiotSwiftUI/Modules/Room/RoomUpgrade/Coordinator/RoomUpgradeCoordinator.swift

@@ -42,7 +42,6 @@ final class RoomUpgradeCoordinator: Coordinator, Presentable {
     
     // MARK: - Setup
     
-    @available(iOS 14.0, *)
     init(parameters: RoomUpgradeCoordinatorParameters) {
         self.parameters = parameters
         let viewModel = RoomUpgradeViewModel.makeRoomUpgradeViewModel(roomUpgradeService: RoomUpgradeService(session: parameters.session, roomId: parameters.roomId, parentSpaceId: parameters.parentSpaceId, versionOverride: parameters.versionOverride))

RiotSwiftUI/Modules/Room/RoomUpgrade/MockRoomUpgradeScreenState.swift

@@ -19,7 +19,6 @@ import SwiftUI
 
 /// Using an enum for the screen allows you define the different state cases with
 /// the relevant associated data for each case.
-@available(iOS 14.0, *)
 enum MockRoomUpgradeScreenState: MockScreenState, CaseIterable {
     // A case for each state you want to represent
     // with specific, minimal associated data that will allow you

RiotSwiftUI/Modules/Room/RoomUpgrade/RoomUpgradeViewModel.swift

@@ -17,11 +17,9 @@
 import SwiftUI
 import Combine
 
-@available(iOS 14, *)
 typealias RoomUpgradeViewModelType = StateStoreViewModel<RoomUpgradeViewState,
                                                                  Never,
                                                                  RoomUpgradeViewAction>
-@available(iOS 14, *)
 class RoomUpgradeViewModel: RoomUpgradeViewModelType, RoomUpgradeViewModelProtocol {
 
     // MARK: - Properties

RiotSwiftUI/Modules/Room/RoomUpgrade/RoomUpgradeViewModelProtocol.swift

@@ -19,8 +19,6 @@ import Foundation
 protocol RoomUpgradeViewModelProtocol {
     
     var completion: ((RoomUpgradeViewModelResult) -> Void)? { get set }
-    @available(iOS 14, *)
     static func makeRoomUpgradeViewModel(roomUpgradeService: RoomUpgradeServiceProtocol) -> RoomUpgradeViewModelProtocol
-    @available(iOS 14, *)
     var context: RoomUpgradeViewModelType.Context { get }
 }

RiotSwiftUI/Modules/Room/RoomUpgrade/Service/MatrixSDK/RoomUpgradeService.swift

@@ -18,7 +18,6 @@ import Foundation
 import Combine
 import MatrixSDK
 
-@available(iOS 14.0, *)
 class RoomUpgradeService: RoomUpgradeServiceProtocol {
     
     // MARK: - Properties

RiotSwiftUI/Modules/Room/RoomUpgrade/Service/Mock/MockRoomUpgradeService.swift

@@ -17,7 +17,6 @@
 import Foundation
 import Combine
 
-@available(iOS 14.0, *)
 class MockRoomUpgradeService: RoomUpgradeServiceProtocol {
     var currentRoomId: String = "!sfdlksjdflkfjds:matrix.org"
     

RiotSwiftUI/Modules/Room/RoomUpgrade/Service/RoomUpgradeServiceProtocol.swift

@@ -17,7 +17,6 @@
 import Foundation
 import Combine
 
-@available(iOS 14.0, *)
 protocol RoomUpgradeServiceProtocol {
     var currentRoomId: String { get }
     var parentSpaceName: String? { get }

RiotSwiftUI/Modules/Room/RoomUpgrade/Test/UI/RoomUpgradeUITests.swift

@@ -17,7 +17,6 @@
 import XCTest
 import RiotSwiftUI
 
-@available(iOS 14.0, *)
 class RoomUpgradeUITests: MockScreenTest {
     // Tests to be implemented.
 }

RiotSwiftUI/Modules/Room/RoomUpgrade/Test/Unit/RoomUpgradeViewModelTests.swift

@@ -19,7 +19,6 @@ import Combine
 
 @testable import RiotSwiftUI
 
-@available(iOS 14.0, *)
 class RoomUpgradeViewModelTests: XCTestCase {
     var service: MockRoomUpgradeService!
     var viewModel: RoomUpgradeViewModelProtocol!

RiotSwiftUI/Modules/Room/RoomUpgrade/View/RoomUpgrade.swift

@@ -16,7 +16,6 @@
 
 import SwiftUI
 
-@available(iOS 14.0, *)
 struct RoomUpgrade: View {
 
     // MARK: - Properties
@@ -102,7 +101,6 @@ struct RoomUpgrade: View {
 
 // MARK: - Previews
 
-@available(iOS 14.0, *)
 struct RoomUpgrade_Previews: PreviewProvider {
     static let stateRenderer = MockRoomUpgradeScreenState.stateRenderer
     static var previews: some View {