fix(slowmode.py): remove unnecessary early defer call in slowmode command

The early defer call is removed to streamline the command execution
process. The defer was unnecessary as the interaction acknowledgment
is handled elsewhere, ensuring the command's responsiveness without
prematurely deferring the interaction.

Author: kzndotsh

src/tux/modules/moderation/slowmode.py

@@ -75,10 +75,6 @@ async def slowmode(
         """
         assert ctx.guild
 
-        # Defer early to acknowledge interaction before async work
-        if ctx.interaction:
-            await ctx.defer(ephemeral=True)
-
         # Try to parse first argument as a channel
         target_channel = (
             await self._resolve_channel(ctx, channel_or_delay)