core: remove legacy field to support contact connections in groups (#7671)

Co-authored-by: Evgeny @ SimpleX Chat <259188159+evgeny-simplex@users.noreply.github.com>

apps/ios/SimpleXChat/ChatTypes.swift

@@ -133,6 +133,7 @@ public struct Profile: Codable, NamedChat, Hashable {
         self.image = image
         self.contactLink = contactLink
         self.preferences = preferences
+        self.peerType = peerType
         self.contactDomain = contactDomain
     }