Drop iOS 14 and macOS 11 support

Shared/Trending/TrendingCountry.swift

@@ -16,11 +16,7 @@ struct TrendingCountry: View {
         VStack {
             #if !os(tvOS)
                 HStack {
-                    if #available(iOS 15.0, macOS 12.0, *) {
-                        TextField("Country", text: $query, prompt: Text(Self.prompt))
-                    } else {
-                        TextField(Self.prompt, text: $query)
-                    }
+                    TextField("Country", text: $query, prompt: Text(Self.prompt))
 
                     Button("Done") { selectCountryAndDismiss() }
                         .keyboardShortcut(.defaultAction)
@@ -57,12 +53,8 @@ struct TrendingCountry: View {
 
         return Group {
             #if os(macOS)
-                if #available(macOS 12.0, *) {
-                    list
-                        .listStyle(.inset(alternatesRowBackgrounds: true))
-                } else {
-                    list
-                }
+                list
+                    .listStyle(.inset(alternatesRowBackgrounds: true))
             #else
                 list
             #endif

Shared/Trending/TrendingView.swift

@@ -95,12 +95,7 @@ struct TrendingView: View {
                 .navigationTitle("Trending")
         #endif
         #if os(iOS)
-        .refreshControl { refreshControl in
-            resource.load().onCompletion { _ in
-                refreshControl.endRefreshing()
-            }
-        }
-        .backport
+
         .refreshable {
             DispatchQueue.main.async {
                 resource.load()