Shouldn't have removed this one. It's too risky

meshtastic/channel.proto

@@ -26,6 +26,11 @@ option swift_prefix = "";
  * explain how remote settings and remote gpio are managed as an example
  */
 message ChannelSettings {
+  /*
+   * Deprecated in favor of LoraConfig.channel_num
+   */
+  uint32 channel_num = 1 [deprecated = true];
+
   /*
    * A simple pre-shared key for now for crypto.
    * Must be either 0 bytes (no crypto), 16 bytes (AES128), or 32 bytes (AES256).