Remove unused settings appearance section and txid handling warnings

ElementX/Sources/Screens/Settings/View/SettingsScreen.swift

@@ -32,9 +32,6 @@ struct SettingsScreen: View {
             userSection
                 .listRowBackground(rowBackgroundColor)
 
-            appearanceSection
-                .listRowBackground(rowBackgroundColor)
-
             analyticsSection
                 .listRowBackground(rowBackgroundColor)
 
@@ -84,28 +81,6 @@ struct SettingsScreen: View {
         }
     }
 
-    private var appearanceSection: some View {
-        Section {
-            Button(action: appearance) {
-                HStack {
-                    Image(systemName: "paintpalette")
-                        .foregroundColor(.element.systemGray)
-                        .padding(4)
-                        .background(Color.element.systemGray6)
-                        .clipShape(Circle())
-                        .frame(width: menuIconSize, height: menuIconSize)
-                    Text(ElementL10n.settingsAppearance)
-                    Spacer()
-                    Image(systemName: "chevron.forward")
-                        .foregroundColor(.element.tertiaryContent)
-                }
-            }
-            .listRowInsets(listRowInsets)
-            .foregroundColor(.element.primaryContent)
-            .accessibilityIdentifier("appearanceButton")
-        }
-    }
-
     @ViewBuilder
     private var userAvatar: some View {
         if let avatar = context.viewState.userAvatar {
@@ -205,10 +180,6 @@ struct SettingsScreen: View {
         .accessibilityIdentifier("closeButton")
     }
 
-    private func appearance() {
-        #warning("Not implemented")
-    }
-
     private func close() {
         context.send(viewAction: .close)
     }

ElementX/Sources/Services/Timeline/TimeLineItemContent/MessageTimelineItem.swift

@@ -36,7 +36,6 @@ struct MessageTimelineItem<Content: MessageContentProtocol> {
     let content: Content
 
     var id: String {
-        #warning("Handle txid properly")
         switch item.key() {
         case .transactionId(let txnID):
             return txnID

ElementX/Sources/Services/Timeline/TimelineItemProxy.swift

@@ -51,7 +51,6 @@ struct EventTimelineItemProxy: CustomDebugStringConvertible {
     }
     
     var id: String {
-        #warning("Handle txid in a better way")
         switch item.key() {
         case .transactionId(let txnID):
             return txnID