Remove unused code, minor style changes

tvOS/AccountSelectionView.swift

@@ -5,7 +5,6 @@ import SwiftUI
 struct AccountSelectionView: View {
     var showHeader = true
 
-    @EnvironmentObject<InstancesModel> private var instancesModel
     @EnvironmentObject<AccountsModel> private var accountsModel
 
     @Default(.accounts) private var accounts

tvOS/NowPlayingView.swift

@@ -141,12 +141,6 @@ struct NowPlayingView: View {
         .frame(minWidth: 0, maxWidth: .infinity, minHeight: 560, maxHeight: .infinity, alignment: .leading)
     }
 
-    func header(_ text: String) -> some View {
-        Text(text)
-            .font((inInfoViewController ? Font.system(size: 40) : .title3).bold())
-            .foregroundColor(.secondary)
-    }
-
     private var progressView: some View {
         VStack {
             Spacer()

tvOS/TVNavigationView.swift

@@ -6,7 +6,6 @@ struct TVNavigationView: View {
     @EnvironmentObject<NavigationModel> private var navigation
     @EnvironmentObject<PlayerModel> private var player
     @EnvironmentObject<RecentsModel> private var recents
-    @EnvironmentObject<SearchModel> private var search
 
     @Default(.visibleSections) private var visibleSections
     var body: some View {