Add deprecation notes to SubmissionChannel. Keeping around just in case.

cogs/commands/set.py

@@ -103,7 +103,9 @@ class SetCog(commands.Cog, name="Set command."):
                 f"Category pad length set to {length} for {group.GroupName}", ephemeral=True
             )
 
-    @set.subcommand(description="Registers the channel for submission messages.")
+    @set.subcommand(
+        description="Registers the channel for submission messages. Currently this information is deprecated."
+    )
     async def submission_channel(
         self,
         interaction: nextcord.Interaction,

highscores_database.sql

@@ -4,7 +4,7 @@ use highscores;
 CREATE TABLE Guilds(
    GuildId bigint unsigned not null unique,
    GuildName varchar(95) not null,
-   SubmissionChannel bigint unsigned,
+   SubmissionChannel bigint unsigned, -- deprecated, is not used anymore.
    VerificationChannel bigint unsigned,
    Active boolean DEFAULT true,
    PRIMARY KEY (GuildId)