Remove all @available(iOS 14... annotations

RiotSwiftUI/Modules/Settings/Notifications/View/Chip.swift

@@ -18,7 +18,6 @@ import SwiftUI
 
 
 /// A single rounded rect chip to be rendered within `Chips` collection
-@available(iOS 14.0, *)
 struct Chip: View {
     
     @Environment(\.isEnabled) var isEnabled
@@ -62,7 +61,6 @@ struct Chip: View {
     }
 }
 
-@available(iOS 14.0, *)
 struct Chip_Previews: PreviewProvider {
     static var previews: some View {
         Group {

RiotSwiftUI/Modules/Settings/Notifications/View/Chips.swift

@@ -17,7 +17,6 @@
 import SwiftUI
 
 /// Renders multiple chips in a flow layout.
-@available(iOS 14.0, *)
 struct Chips: View {
     
     @State private var frame: CGRect = CGRect.zero
@@ -75,7 +74,6 @@ struct Chips: View {
     }
 }
 
-@available(iOS 14.0, *)
 struct Chips_Previews: PreviewProvider {
     static var chips: [String] = ["Chip1", "Chip2", "Chip3", "Chip4", "Chip5", "Chip6"]
     static var previews: some View {

RiotSwiftUI/Modules/Settings/Notifications/View/ChipsInput.swift

@@ -17,7 +17,6 @@
 import SwiftUI
 
 /// Renders an input field and a collection of chips.
-@available(iOS 14.0, *)
 struct ChipsInput: View {
     
     @Environment(\.theme) var theme: ThemeSwiftUI
@@ -47,7 +46,6 @@ struct ChipsInput: View {
     }
 }
 
-@available(iOS 14.0, *)
 struct ChipsInput_Previews: PreviewProvider {
     static var chips = Set<String>(["Website", "Element", "Design", "Matrix/Element"])
     static var previews: some View {

RiotSwiftUI/Modules/Settings/Notifications/View/DefaultNotificationSettings.swift

@@ -16,7 +16,6 @@
 
 import SwiftUI
 
-@available(iOS 14.0, *)
 struct DefaultNotificationSettings: View {
     
     @ObservedObject var viewModel: NotificationSettingsViewModel
@@ -28,7 +27,6 @@ struct DefaultNotificationSettings: View {
     }
 }
 
-@available(iOS 14.0, *)
 struct DefaultNotifications_Previews: PreviewProvider {
     static var previews: some View {
         NavigationView {

RiotSwiftUI/Modules/Settings/Notifications/View/FormInputFieldStyle.swift

@@ -18,7 +18,6 @@ import Foundation
 import SwiftUI
 
 /// An input field style for forms.
-@available(iOS 14.0, *)
 struct FormInputFieldStyle: TextFieldStyle {
     
     @Environment(\.theme) var theme: ThemeSwiftUI
@@ -49,7 +48,6 @@ struct FormInputFieldStyle: TextFieldStyle {
 }
 
 
-@available(iOS 14.0, *)
 struct FormInputFieldStyle_Previews: PreviewProvider {
     static var previews: some View {
         Group {

RiotSwiftUI/Modules/Settings/Notifications/View/MentionsAndKeywordNotificationSettings.swift

@@ -16,7 +16,6 @@
 
 import SwiftUI
 
-@available(iOS 14.0, *)
 struct MentionsAndKeywordNotificationSettings: View {
     
     @ObservedObject var viewModel: NotificationSettingsViewModel
@@ -39,7 +38,6 @@ struct MentionsAndKeywordNotificationSettings: View {
     }
 }
 
-@available(iOS 14.0, *)
 struct MentionsAndKeywords_Previews: PreviewProvider {
     static var previews: some View {
         NavigationView {

RiotSwiftUI/Modules/Settings/Notifications/View/NotificationSettings.swift

@@ -20,7 +20,6 @@ import SwiftUI
 ///
 /// Also renders an optional bottom section.
 /// Used in the case of keywords, for the keyword chips and input.
-@available(iOS 14.0, *)
 struct NotificationSettings<BottomSection: View>: View {
     
     @ObservedObject var viewModel: NotificationSettingsViewModel
@@ -45,14 +44,12 @@ struct NotificationSettings<BottomSection: View>: View {
     }
 }
 
-@available(iOS 14.0, *)
 extension NotificationSettings where BottomSection == EmptyView {
     init(viewModel: NotificationSettingsViewModel) {
         self.init(viewModel: viewModel, bottomSection: nil)
     }
 }
 
-@available(iOS 14.0, *)
 struct NotificationSettings_Previews: PreviewProvider {
     static var previews: some View {
         Group {

RiotSwiftUI/Modules/Settings/Notifications/View/NotificationSettingsKeywords.swift

@@ -17,7 +17,6 @@
 import SwiftUI
 
 /// Renders the keywords input, driven by 'NotificationSettingsViewModel'.
-@available(iOS 14.0, *)
 struct NotificationSettingsKeywords: View {
     @ObservedObject var viewModel: NotificationSettingsViewModel
     var body: some View {
@@ -32,7 +31,6 @@ struct NotificationSettingsKeywords: View {
     }
 }
 
-@available(iOS 14.0, *)
 struct Keywords_Previews: PreviewProvider {
     static let viewModel = NotificationSettingsViewModel(
         notificationSettingsService: MockNotificationSettingsService.example,

RiotSwiftUI/Modules/Settings/Notifications/View/OtherNotificationSettings.swift

@@ -16,7 +16,6 @@
 
 import SwiftUI
 
-@available(iOS 14.0, *)
 struct OtherNotificationSettings: View {
     @ObservedObject var viewModel: NotificationSettingsViewModel
     
@@ -27,7 +26,6 @@ struct OtherNotificationSettings: View {
     }
 }
 
-@available(iOS 14.0, *)
 struct OtherNotifications_Previews: PreviewProvider {
     static var previews: some View {
         NavigationView {