message: Correct copy: !plumb -> !unlink
diff: @@ -238,7 +238,7 @@ export class AdminRoomHandler {
  await intent.getStateEvent(matrixRoomId, 'm.room.create');
  }
  catch (ex) {
  - log.error(`Could not join the target room of a !plumb command`, ex);
  + log.error(`Could not join the target room of an !unlink command`, ex);
  return new MatrixAction("notice", "Could not join the target room, you may need to invite the bot");
  }
  try {
  @@ -253,10 +253,10 @@ export class AdminRoomHandler {
  );
  }
  catch (ex) {
  - log.error(`Failed to handle !plumb command:`, ex);
  - return new MatrixAction("notice", "Failed to plumb room. Check the logs for details.");
  + log.error(`Failed to handle !unlink command:`, ex);
  + return new MatrixAction("notice", "Failed to unlink room. Check the logs for details.");
  }
  - return new MatrixAction("notice", "Room plumbed.");
  + return new MatrixAction("notice", "Room unlinked.");
  }
  private async handleJoin(req: BridgeRequest, args: string[], server: IrcServer, sender: string) {
  