Cleanup dead code after Periphery run

ElementX/Sources/Other/AccessibilityIdentifiers.swift

@@ -93,9 +93,7 @@ enum A11yIdentifiers {
     
     struct HomeScreen {
         let userAvatar = "home_screen-user_avatar"
-        let verificationBannerContinue = "home_screen-verification_continue"
         let recoveryKeyConfirmationBannerContinue = "home_screen-recovery_key_confirmation_continue"
-        let invites = "home_screen-invites"
         let startChat = "home_screen-start_chat"
         
         let roomNamePrefix = "home_screen-room_name"
@@ -164,7 +162,6 @@ enum A11yIdentifiers {
         let avatar = "room_details-avatar"
         let dmAvatar = "room_details-dm_avatar"
         let people = "room_details-people"
-        let invite = "room_details-invite"
         let notifications = "room_details-notifications"
         let pollsHistory = "room_details-polls_history"
         let favourite = "room_details-favourite"
@@ -200,8 +197,6 @@ enum A11yIdentifiers {
         let declineChallenge = "session_verification-decline_challenge"
         let emojiWrapper = "session_verification-emojis"
         let verificationComplete = "session_verification-verification_complete"
-        let close = "session_verification-close"
-        let enterRecoveryKey = "session_verification-enter_recovery_key"
     }
     
     struct SettingsScreen {

ElementX/Sources/Other/Extensions/AVMetadataMachineReadableCodeObject.swift

@@ -120,15 +120,6 @@ private extension Data {
         }
         return result
     }
-
-    init(_ halves: [HalfByte]) {
-        var halves = halves
-        var result = [UInt8]()
-        while halves.count > 1 {
-            result.append(halves.takeUInt8())
-        }
-        self.init(result)
-    }
 }
 
 private extension UInt8 {