Update config before creating the embed (new main_color would be used)

Author: Taaku18

cogs/utility.py

@@ -495,17 +495,17 @@ async def del_config(self, ctx, key: str.lower):
         """Deletes a key from the config."""
         keys = self.bot.config.allowed_to_change_in_command
         if key in keys:
-            embed = Embed(
-                title='Success',
-                color=self.bot.main_color,
-                description=f'`{key}` had been deleted from the config.'
-            )
             try:
                 del self.bot.config.cache[key]
                 await self.bot.config.update()
             except KeyError:
                 # when no values were set
                 pass
+            embed = Embed(
+                title='Success',
+                color=self.bot.main_color,
+                description=f'`{key}` had been deleted from the config.'
+            )
         else:
             embed = Embed(
                 title='Error',