Fix ace-link startup, remove redundant :mode specifier from nix-ts-mode and nushell-ts-mode

init.el

@@ -974,7 +974,6 @@
   :bind (("M-o" . ace-link-addr))
   :init
   (require 'avy)
-  :config
   (ace-link-setup-default))
 
 (use-package tempel
@@ -1179,11 +1178,11 @@
 (use-package nix-ts-mode
   :if (package-installed-p 'nix-ts-mode)
   :after nix-mode
-  :mode "\\.nix$")
+  :defer t)
 
 (use-package nushell-ts-mode
   :if (package-installed-p 'nushell-ts-mode)
-  :mode "\\.nu$")
+  :defer t)
 
 (use-package sh-script
   :custom