More warning squashing

lib/chessh/auth/password.ex

@@ -8,7 +8,6 @@ defmodule Chessh.Auth.PasswordAuthenticator do
   def authenticate(username, password) do
     case Repo.get_by(Player, username: username) do
       player -> authenticate(player, password)
-      nil -> false
     end
   end
 end

lib/chessh/ssh/cli.ex

@@ -1,7 +1,7 @@
 defmodule Chessh.SSH.Cli do
   @behaviour :ssh_server_channel
 
-  def init() do
+  def init(_args) do
     {:ok, %{}}
   end
 

lib/chessh/ssh/daemon.ex

@@ -1,5 +1,5 @@
 defmodule Chessh.SSH.Daemon do
-  alias Chessh.{Repo, PlayerSession, Player, Utils}
+  alias Chessh.{Repo, PlayerSession, Utils}
   alias Chessh.Auth.PasswordAuthenticator
   use GenServer
   import Ecto.Query