fix up unlinking

Signal/src/Loki/View Controllers/DeviceLinkingModal.swift

@@ -168,6 +168,9 @@ final class DeviceLinkingModal : Modal, DeviceLinkingSessionDelegate {
             SSKEnvironment.shared.syncManager.syncAllContacts()
             SSKEnvironment.shared.syncManager.syncAllGroups()
             SSKEnvironment.shared.syncManager.syncAllOpenGroups()
+            let thread = TSContactThread.getOrCreateThread(contactId: deviceLink.slave.hexEncodedPublicKey)
+            thread.friendRequestStatus = .friends
+            thread.save()
         }) { _ in
             print("[Loki] Failed to send device link authorization message.")
         }

SignalServiceKit/src/Messages/OWSMessageSender.m

@@ -988,9 +988,7 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
     BOOL isGroupMessage = messageSend.thread.isGroupThread;
     BOOL isPublicChatMessage = isGroupMessage && ((TSGroupThread *)messageSend.thread).isPublicChat;
     BOOL isDeviceLinkMessage = [message isKindOfClass:LKDeviceLinkMessage.class];
-    BOOL isUnlinkDeviceMessage = [message isKindOfClass:LKUnlinkDeviceMessage.class];
-    // FIXME: Clean this up
-    if (isPublicChatMessage || isDeviceLinkMessage || isUnlinkDeviceMessage) {
+    if (isPublicChatMessage || isDeviceLinkMessage) {
         [self sendMessage:messageSend];
     } else {
         BOOL isSilentMessage = message.isSilent || [message isKindOfClass:LKEphemeralMessage.class] || [message isKindOfClass:OWSOutgoingSyncMessage.class];