Branding: do not invoke calendar after refresh

We now send a result embed after refresh. It would be noisy
to also send the calendar embed.

Users can invoke the calendar manually if desired.

Author: kwzrd

bot/exts/backend/branding/_cog.py

@@ -611,8 +611,6 @@ async def branding_calendar_refresh_cmd(self, ctx: commands.Context) -> None:
 
         await ctx.send(embed=resp)
 
-        await ctx.invoke(self.branding_calendar_group)
-
     # endregion
     # region: Command interface (branding daemon)