fix: Remove thread-only restriction from logs command (#3397)

The logs command can be used anywhere again.

Signed-off-by: lorenzo132 <50767078+lorenzo132@users.noreply.github.com>

Author: lorenzo132

cogs/modmail.py

@@ -1200,7 +1200,6 @@ async def anonremoveuser(self, ctx, *users_arg: Union[discord.Member, discord.Ro
 
     @commands.group(invoke_without_command=True)
     @checks.has_permissions(PermissionLevel.SUPPORTER)
-    @checks.thread_only()
     async def logs(self, ctx, *, user: User = None):
         """
         Get previous Modmail thread logs of a member.