Move TunnelQuantumResistance out of WireGuardObfuscationSettings

Author: acb-mv

ios/MullvadSettings/WireGuardObfuscationSettings.swift

@@ -17,12 +17,6 @@ public enum WireGuardObfuscationState: Codable {
     case off
 }
 
-public enum TunnelQuantumResistance: Codable {
-    case automatic
-    case on
-    case off
-}
-
 /// The port to select when using UDP-over-TCP obfuscation
 ///
 /// `.automatic` means an algorith will decide between using `port80` or `port5001`