Move the valid_perms list to the correct cog

cogs/admin.py

@@ -7,6 +7,8 @@ import discord
 import re
 import rethinkdb as r
 
+valid_perms = [p for p in dir(discord.Permissions) if isinstance(getattr(discord.Permissions, p), property)]
+
 class Administration:
     def __init__(self, bot):
         self.bot = bot

cogs/mod.py

@@ -7,9 +7,6 @@ import re
 import asyncio
 import rethinkdb as r
 
-valid_perms = [p for p in dir(discord.Permissions) if isinstance(getattr(discord.Permissions, p), property)]
-
-
 class Moderation:
     """Commands that can be used by a or an admin, depending on the command"""