add rinse command

thanks dad for helping with it

cogs/assistance.py

@@ -170,6 +170,21 @@ async def createsoap(self, ctx: GuildContext, helpee: discord.Member):
         await self.bot.channels['mod-logs'].send(msg)
         await ctx.send(f"Created 🧼 {channel.mention}.")
 
+    @is_staff('Helper')
+    @commands.guild_only()
+    @commands.command(aliases=["rinse"])
+    async def deletesoap(self, ctx: GuildContext, channels: commands.Greedy[discord.TextChannel):
+        """Deletes a :soap: help channel. helper+ only."""
+        if not self.soaps_category:
+            return await ctx.send("The soaps category is not set.")
+        for channel in channels:    
+          if channel not in self.soaps_category.channels:
+              continue
+          await channel.delete()
+          msg = f":x: **:soap: channel deleted**: {ctx.author.mention} deleted :soap: channel {channel.mention} | {channel.name} ({channel.id})"
+          await self.bot.channels['mod-logs'].send(msg)
+          await ctx.send(f"Deleted :soap: {channel.mention}.")
+
     @is_staff('OP')
     @commands.guild_only()
     @commands.command()