Replace kitty with wezterm

- I'm not entirely happy so I'll probably switch again soon
diff --git a/modules/ssh.nix b/modules/ssh.nix
index 743c207..585191c 100644
--- a/modules/ssh.nix
+++ b/modules/ssh.nix
@@ -46,7 +46,7 @@
     };
 
     home.shellAliases = {
-      ssh = "kitty +kitten ssh";
+      ssh = "wezterm ssh";
     };
   };
 }